java核心知识点整理

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  • 2022-06-03 05:35
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java核心知识点整理 1.Java中没有多继承,而是用接口来代替多继承 2.运行一个已经编译的程序时,Java解释器总是从指定类的main方法中的代码开始执行,因此,执行代码中必须有一个main函数。 3.Java是典型的强类型语言,即必须声明变量的类型,Java中有8种类型,6种数值类型(4个整数型和2个浮点型)、一个字符类型和一个boolean类型。 想学习java可以来这个群,首先是二二零,中间是一四二,最后是九零六,里面有大量的学习资料可以下载。 4.强制类型转换: int nx = (int) x; // (语法:用圆括号将目标类型括起来,后面跟上要转换的变量); 5.Java不能为单独的方法,如main方法,定义局部常量,而只能为类定义常量,供该类的所有方法使用,所以,通常称之为类常量。如: class UsersConstants{ 2public static final double g = 32; public static final double main(String[] args){ System.out.println(g); } } 注意:常量定义于main方法的外边,而且必须有关键字 static final; 6.字符串的子串: String str = hello”“; String str1 = str.substring(0,4); //输出hell 7.不要用==运算符来测试两个字符串是否相等,该运算符只能判断两个字符串是否存在同一个位置。 用equals. String str = “hello”; str.equals(”hell”); // return false; 8.对象的行为、状态、标识 9.面向过程与OOP
JAVA核心知识点整理.7z
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/10972048/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><title></title></head><body><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10972048/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="ls1"> <span class="ff2 sc1 ls2">&#30446;&#24405;</span> </span></div><div class="t m0 x1 h3 y2 ff1 fs1 fc0 sc0 ls3 ws0">1.<span class="ff3 fs2 ls1"> <span class="_ _0"> </span></span><span class="ff2 sc1 ls2">&#30446;&#24405;</span><span class="ff4 ls1"> <span class="_ _1"></span><span class="ls4">.........................................................................................................................................................<span class="ls1"> <span class="_ _2"></span>1<span class="ff3 fs2"> </span></span></span></span></div><div class="t m0 x1 h3 y3 ff1 fs1 fc0 sc0 ls3 ws0">2.<span class="ff3 fs2 ls1"> <span class="_ _0"> </span></span><span class="ls1">JVM<span class="ff4"> <span class="_ _3"></span><span class="ls4">.......................................................................................................................................................<span class="ls1"> <span class="_ _2"></span><span class="ls5">19<span class="ff3 fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x2 h4 y4 ff5 fs1 fc0 sc0 ls3 ws0">2.1.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span><span class="ff2 fs1">&#32447;&#31243;<span class="ff3"> <span class="_ _5"></span><span class="ls6">......................................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">20<span class="fs2 ls1"> </span></span></span></span></span></span></span></div><div class="t m0 x2 h4 y5 ff5 fs1 fc0 sc0 ls3 ws0">2.2.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span></span><span class="ls1">JVM<span class="_ _6"> </span><span class="ff2">&#20869;&#23384;&#21306;&#22495;<span class="ff3"> <span class="_ _7"></span><span class="ls6">.....................................................................................................................................</span> <span class="_ _1"></span><span class="ls5">21<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y6 ff6 fs1 fc0 sc0 ls1 ws0">2.2.1.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y6 ff2 fs3 fc0 sc0 ls1 ws0">&#31243;&#24207;&#35745;&#25968;&#22120;</div><div class="t m0 x5 h5 y6 ff6 fs1 fc0 sc0 ls1 ws0">(</div><div class="t m1 x6 h6 y6 ff2 fs3 fc0 sc0 ls1 ws0">&#32447;&#31243;&#31169;&#26377;</div><div class="t m0 x7 h5 y6 ff6 fs1 fc0 sc0 ls1 ws0">)<span class="ff7"> <span class="_ _3"></span><span class="ls6">................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">22<span class="ff3 fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y7 ff6 fs1 fc0 sc0 ls1 ws0">2.2.2.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y7 ff2 fs3 fc0 sc0 ls1 ws0">&#34394;&#25311;&#26426;&#26632;</div><div class="t m0 x8 h5 y7 ff6 fs1 fc0 sc0 ls1 ws0">(</div><div class="t m1 x9 h6 y7 ff2 fs3 fc0 sc0 ls1 ws0">&#32447;&#31243;&#31169;&#26377;</div><div class="t m0 xa h5 y7 ff6 fs1 fc0 sc0 ls1 ws0">)<span class="ff7"> <span class="_ _3"></span><span class="ls6">....................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">22<span class="ff3 fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y8 ff6 fs1 fc0 sc0 ls1 ws0">2.2.3.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y8 ff2 fs3 fc0 sc0 ls1 ws0">&#26412;&#22320;&#26041;&#27861;&#21306;</div><div class="t m0 x5 h5 y8 ff6 fs1 fc0 sc0 ls1 ws0">(</div><div class="t m1 x6 h6 y8 ff2 fs3 fc0 sc0 ls1 ws0">&#32447;&#31243;&#31169;&#26377;</div><div class="t m0 x7 h5 y8 ff6 fs1 fc0 sc0 ls1 ws0">)<span class="ff7"> <span class="_ _3"></span><span class="ls6">................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">23<span class="ff3 fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y9 ff6 fs1 fc0 sc0 ls1 ws0">2.2.4.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y9 ff2 fs3 fc0 sc0 ls1 ws0">&#22534;&#65288;</div><div class="t m0 xb h5 y9 ff6 fs1 fc0 sc0 ls1 ws0">Heap-</div><div class="t m1 xc h6 y9 ff2 fs3 fc0 sc0 ls1 ws0">&#32447;&#31243;&#20849;&#20139;&#65289;</div><div class="t m0 xd h5 y9 ff6 fs1 fc0 sc0 ls1 ws0">-</div><div class="t m1 xe h6 y9 ff2 fs3 fc0 sc0 ls1 ws0">&#36816;&#34892;&#26102;&#25968;&#25454;&#21306;</div><div class="t m0 xf h7 y9 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">......................................................................................</span> <span class="_ _1"></span><span class="ls5">23<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x3 h5 ya ff6 fs1 fc0 sc0 ls1 ws0">2.2.5.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 ya ff2 fs3 fc0 sc0 ls1 ws0">&#26041;&#27861;&#21306;</div><div class="t m0 x10 h5 ya ff6 fs1 fc0 sc0 ls1 ws0">/</div><div class="t m1 x11 h6 ya ff2 fs3 fc0 sc0 ls1 ws0">&#27704;&#20037;&#20195;&#65288;&#32447;&#31243;&#20849;&#20139;&#65289;</div><div class="t m0 x12 h7 ya ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">.....................................................................................................</span> <span class="_ _1"></span><span class="ls5">23<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x2 h4 yb ff5 fs1 fc0 sc0 ls3 ws0">2.3.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span></span><span class="ls1">JVM<span class="_ _6"> </span><span class="ff2">&#36816;&#34892;&#26102;&#20869;&#23384;<span class="_ _7"></span><span class="ff3"> <span class="ls6">................................................................................................................................</span>. <span class="_ _1"></span><span class="ls5">24<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 yc ff6 fs1 fc0 sc0 ls1 ws0">2.3.1.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 yc ff2 fs3 fc0 sc0 ls1 ws0">&#26032;&#29983;&#20195;</div><div class="t m0 x10 h7 yc ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">24<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x13 h8 yd ff5 fs4 fc0 sc0 ls1 ws0">2.3.1.1.<span class="ff3 fs2"> <span class="_ _8"> </span></span>Eden<span class="_ _6"> </span><span class="ff2">&#21306;<span class="ff3"> <span class="_ _5"></span><span class="ls7">....................................................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">24<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x13 h8 ye ff5 fs4 fc0 sc0 ls1 ws0">2.3.1.2.<span class="ff3 fs2"> <span class="_ _8"> </span></span>ServivorFrom<span class="ff3"> <span class="_ _2"></span><span class="ls7">...........................................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">24<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x13 h9 yf ff5 fs4 fc0 sc0 ls1 ws0">2.3.1.3.<span class="ff3 fs2"> <span class="_ _8"> </span></span><span class="ff8">ServivorTo<span class="ff3"> <span class="_ _5"></span><span class="ls7">................................................................................................................................<span class="_ _7"></span>..............<span class="ls1"> <span class="_ _3"></span><span class="ls8">24<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x13 h9 y10 ff8 fs4 fc0 sc0 ls1 ws0">2.3.1.4.<span class="ff3 fs2"> <span class="_ _9"> </span></span>MinorGC<span class="_ _6"> </span><span class="ff9">&#30340;&#36807;&#31243;&#65288;&#22797;&#21046;</span>-&gt;<span class="ff9">&#28165;&#31354;</span>-&gt;<span class="ff9">&#20114;&#25442;&#65289;<span class="ff3"> <span class="_ _5"></span><span class="ls7">................................<span class="_ _7"></span>.......................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">24<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x14 h9 y11 ff5 fs4 fc0 sc0 ls1 ws0">1<span class="ff2">&#65306;</span><span class="ls9">eden</span><span class="ff2">&#12289;</span>servicorFrom <span class="ff2">&#22797;&#21046;&#21040;<span class="_ _6"> </span><span class="ff8">ServicorTo<span class="ff9">&#65292;&#24180;&#40836;</span><span class="lsa">+1</span><span class="ff3"> <span class="_ _2"></span><span class="ls7">...................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">25<span class="fs2 ls1"> </span></span></span></span></span></span></span></div><div class="t m0 x14 h8 y12 ff5 fs4 fc0 sc0 ls1 ws0">2<span class="ff2">&#65306;&#28165;&#31354;<span class="_ _6"> </span></span>eden<span class="ff2">&#12289;</span>se<span class="_ _7"></span>rvicorFrom<span class="ff3"> <span class="_ _2"></span><span class="ls7">.............................................................................................................................<span class="ls1"> <span class="_ _3"></span>25<span class="fs2"> </span></span></span></span></div><div class="t m0 x14 h8 y13 ff5 fs4 fc0 sc0 ls1 ws0">3<span class="ff2">&#65306;</span>ServicorTo<span class="_ _6"> </span><span class="ff2">&#21644;<span class="_ _6"> </span></span>ServicorFrom<span class="_ _6"> </span><span class="ff2">&#20114;&#25442;<span class="ff3"> <span class="_ _3"></span><span class="ls7">................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">25<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x3 h5 y14 ff6 fs1 fc0 sc0 ls1 ws0">2.3.2.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y14 ff2 fs3 fc0 sc0 ls1 ws0">&#32769;&#24180;&#20195;</div><div class="t m0 x10 h7 y14 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">25<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y15 ff6 fs1 fc0 sc0 ls1 ws0">2.3.3.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y15 ff2 fs3 fc0 sc0 ls1 ws0">&#27704;&#20037;&#20195;</div><div class="t m0 x10 h7 y15 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">25<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x13 h9 y16 ff8 fs4 fc0 sc0 ls1 ws0">2.3.3.1.<span class="ff3 fs2"> <span class="_ _9"> </span></span>JAVA8<span class="_ _6"> </span><span class="ff9">&#19982;&#20803;&#25968;&#25454;<span class="ff3"> <span class="_ _1"></span><span class="ls7">................................................................................................................................<span class="ls1">. <span class="_ _3"></span><span class="ls8">25<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x2 h4 y17 ff5 fs1 fc0 sc0 ls3 ws0">2.4.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span><span class="ff2 fs1">&#22403;&#22334;&#22238;&#25910;&#19982;&#31639;&#27861;<span class="ff3"> <span class="ls6">..................................................................................................................................</span> <span class="_ _1"></span><span class="ls5">26<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y18 ff6 fs1 fc0 sc0 ls1 ws0">2.4.1.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y18 ff2 fs3 fc0 sc0 ls1 ws0">&#22914;&#20309;&#30830;&#23450;&#22403;&#22334;</div><div class="t m0 x15 h7 y18 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">..............................................................................................................................</span> <span class="_ _3"></span><span class="ls5">26<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x13 h8 y19 ff5 fs4 fc0 sc0 ls1 ws0">2.4.1.1.<span class="ff3 fs2"> <span class="_ _8"> </span></span><span class="ff2">&#24341;&#29992;&#35745;&#25968;&#27861;<span class="ff3 ls7">...............................................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">26<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x13 h8 y1a ff5 fs4 fc0 sc0 ls1 ws0">2.4.1.2.<span class="ff3 fs2"> <span class="_ _8"> </span></span><span class="ff2">&#21487;&#36798;&#24615;&#20998;&#26512;<span class="ff3 ls7">...............................................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">26<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y1b ff6 fs1 fc0 sc0 ls1 ws0">2.4.2.<span class="ff3 fs2"> </span></div><div class="t m1 x4 ha y1b ff2 fs3 fc0 sc0 ls1 ws0">&#26631;&#35760;&#28165;&#38500;&#31639;&#27861;&#65288;<span class="_ _7"></span><span class="ff8">Mark-Sweep</span>&#65289;</div><div class="t m0 x16 h7 y1b ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">..............................................................................................</span> <span class="_ _1"></span><span class="ls5">27<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x3 h5 y1c ff6 fs1 fc0 sc0 ls1 ws0">2.4.3.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y1c ff2 fs3 fc0 sc0 ls1 ws0">&#22797;&#21046;&#31639;&#27861;&#65288;</div><div class="t m0 x5 h5 y1c ff6 fs1 fc0 sc0 ls1 ws0">copying</div><div class="t m1 x17 h6 y1c ff2 fs3 fc0 sc0 ls1 ws0">&#65289;</div><div class="t m0 x18 h7 y1c ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span><span class="ls6">.................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">27<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y1d ff6 fs1 fc0 sc0 ls1 ws0">2.4.4.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y1d ff2 fs3 fc0 sc0 ls1 ws0">&#26631;&#35760;&#25972;&#29702;&#31639;&#27861;</div><div class="t m0 x15 h5 y1d ff6 fs1 fc0 sc0 ls1 ws0">(Mark<span class="_ _7"></span>-Compact)<span class="ff7"> <span class="_ _2"></span><span class="ls6">..................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">28<span class="ff3 fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y1e ff6 fs1 fc0 sc0 ls1 ws0">2.4.5.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y1e ff2 fs3 fc0 sc0 ls1 ws0">&#20998;&#20195;&#25910;&#38598;&#31639;&#27861;</div><div class="t m0 x15 h7 y1e ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">..............................................................................................................................</span> <span class="_ _3"></span><span class="ls5">29<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x13 h9 y1f ff8 fs4 fc0 sc0 ls1 ws0">2.4.5.1.<span class="ff3 fs2"> <span class="_ _9"> </span></span><span class="ff9">&#26032;&#29983;&#20195;&#19982;&#22797;&#21046;&#31639;&#27861;<span class="ff3"> <span class="_ _5"></span><span class="ls7">................................................................<span class="_ _7"></span>..............................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">29<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x13 h9 y20 ff8 fs4 fc0 sc0 ls1 ws0">2.4.5.2.<span class="ff3 fs2"> <span class="_ _9"> </span></span><span class="ff9">&#32769;&#24180;&#20195;&#19982;&#26631;&#35760;&#22797;&#21046;&#31639;&#27861;<span class="ff3"> <span class="ls7">......................................................................................................................</span> <span class="_ _3"></span><span class="ls8">29<span class="fs2 ls1"> </span></span></span></span></div><div class="t m0 x2 h4 y21 ff5 fs1 fc0 sc0 ls3 ws0">2.5.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span></span><span class="ls1">JAVA<span class="fs5"> </span><span class="ff2">&#22235;&#20013;&#24341;&#29992;&#31867;&#22411;<span class="_ _7"></span><span class="ff3"> <span class="ls6">................................................................<span class="_ _7"></span>...........................................................</span> <span class="_ _3"></span><span class="ls5">30<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y22 ff6 fs1 fc0 sc0 ls1 ws0">2.5.1.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y22 ff2 fs3 fc0 sc0 ls1 ws0">&#24378;&#24341;&#29992;</div><div class="t m0 x10 h7 y22 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">30<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y23 ff6 fs1 fc0 sc0 ls1 ws0">2.5.2.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y23 ff2 fs3 fc0 sc0 ls1 ws0">&#36719;&#24341;&#29992;</div><div class="t m0 x10 h7 y23 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">30<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y24 ff6 fs1 fc0 sc0 ls1 ws0">2.5.3.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y24 ff2 fs3 fc0 sc0 ls1 ws0">&#24369;&#24341;&#29992;</div><div class="t m0 x10 h7 y24 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">30<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y25 ff6 fs1 fc0 sc0 ls1 ws0">2.5.4.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y25 ff2 fs3 fc0 sc0 ls1 ws0">&#34394;&#24341;&#29992;</div><div class="t m0 x10 h7 y25 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">..........................................................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">30<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x2 h4 y26 ff5 fs1 fc0 sc0 ls3 ws0">2.6.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span></span><span class="lsb">GC<span class="_ _6"> </span><span class="ff2 ls1">&#20998;&#20195;&#25910;&#38598;&#31639;&#27861;</span><span class="fs5 lsc"> </span><span class="lsd">VS<span class="fs5 ls1"> <span class="ff2 fs1">&#20998;&#21306;&#25910;&#38598;&#31639;&#27861;<span class="_ _7"></span><span class="ff3"> <span class="_ _2"></span><span class="ls6">................................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">30<span class="fs2 ls1"> </span></span></span></span></span></span></span></span></span></div><div class="t m0 x3 h5 y27 ff6 fs1 fc0 sc0 ls1 ws0">2.6.1.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y27 ff2 fs3 fc0 sc0 ls1 ws0">&#20998;&#20195;&#25910;&#38598;&#31639;&#27861;</div><div class="t m0 x15 h7 y27 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">..............................................................................................................................</span> <span class="_ _3"></span><span class="ls5">30<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x13 h9 y28 ff8 fs4 fc0 sc0 ls1 ws0">2.6.1.1.<span class="ff3 fs2"> <span class="_ _9"> </span></span><span class="ff9">&#22312;&#26032;&#29983;&#20195;</span>-<span class="ff9">&#22797;&#21046;&#31639;&#27861;<span class="ff3"> <span class="_ _2"></span><span class="ls7">.............................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">30<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x13 h9 y29 ff8 fs4 fc0 sc0 ls1 ws0">2.6.1.2.<span class="ff3 fs2"> <span class="_ _9"> </span></span><span class="ff9">&#22312;&#32769;&#24180;&#20195;</span>-<span class="ff9">&#26631;&#35760;&#25972;&#29702;&#31639;&#27861;<span class="ff3"> <span class="_ _2"></span><span class="ls7">.....................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">30<span class="fs2 ls1"> </span></span></span></span></span></span></div><div class="t m0 x3 h5 y2a ff6 fs1 fc0 sc0 ls1 ws0">2.6.2.<span class="ff3 fs2"> </span></div><div class="t m1 x4 h6 y2a ff2 fs3 fc0 sc0 ls1 ws0">&#20998;&#21306;&#25910;&#38598;&#31639;&#27861;</div><div class="t m0 x15 h7 y2a ff7 fs1 fc0 sc0 ls1 ws0"> <span class="ls6">..............................................................................................................................</span> <span class="_ _3"></span><span class="ls5">31<span class="ff3 fs2 ls1"> </span></span></div><div class="t m0 x2 h4 y2b ff5 fs1 fc0 sc0 ls3 ws0">2.7.<span class="ff3 fs2 ls1"> <span class="_ _4"> </span></span><span class="lsb">GC<span class="_ _6"> </span><span class="ff2 ls1">&#22403;&#22334;&#25910;&#38598;&#22120;<span class="ff3"> <span class="ls6">................................<span class="_ _7"></span>...................................................................................................</span> <span class="_ _3"></span><span class="ls5">31<span class="fs2 ls1"> </span></span></span></span></span></div><div class="t m0 x3 h5 y2c ff6 fs1 fc0 sc0 ls1 ws0">2.7.1.<span class="ff3 fs2"> <span class="_ _a"> </span></span>Serial</div><div class="t m1 x19 h6 y2c ff2 fs3 fc0 sc0 ls1 ws0">&#22403;&#22334;&#25910;&#38598;&#22120;&#65288;&#21333;&#32447;<span class="_ _7"></span>&#31243;&#12289;&#22797;&#21046;&#31639;<span class="_ _7"></span>&#27861;&#65289;</div><div class="t m0 x1a h7 y2c ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _b"></span><span class="ls6">................................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">31<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y2d ff6 fs1 fc0 sc0 ls1 ws0">2.7.2.<span class="ff3 fs2"> <span class="_ _a"> </span></span>ParNew</div><div class="t m1 x1b h6 y2d ff2 fs3 fc0 sc0 ls1 ws0">&#22403;&#22334;&#25910;&#38598;&#22120;&#65288;</div><div class="t m0 xd h5 y2d ff6 fs1 fc0 sc0 ls1 ws0">Serial+</div><div class="t m1 x1c h6 y2d ff2 fs3 fc0 sc0 ls1 ws0">&#22810;&#32447;&#31243;&#65289;</div><div class="t m0 x1d h7 y2d ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _3"></span><span class="ls6">................................................................<span class="_ _7"></span>...................<span class="ls1"> <span class="_ _3"></span><span class="ls5">31<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y2e ff6 fs1 fc0 sc0 ls1 ws0">2.7.3.<span class="ff3 fs2"> <span class="_ _a"> </span></span>Parallel Scavenge</div><div class="t m1 xa h6 y2e ff2 fs3 fc0 sc0 ls1 ws0">&#25910;&#38598;&#22120;&#65288;&#22810;&#32447;&#31243;<span class="_ _7"></span>&#22797;&#21046;&#31639;&#27861;&#12289;&#39640;<span class="_ _7"></span>&#25928;&#65289;</div><div class="t m0 x1e h7 y2e ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span><span class="ls6">..........................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">32<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y2f ff6 fs1 fc0 sc0 ls1 ws0">2.7.4.<span class="ff3 fs2"> <span class="_ _a"> </span></span>Serial Old</div><div class="t m1 x1f h6 y2f ff2 fs3 fc0 sc0 ls1 ws0">&#25910;&#38598;&#22120;&#65288;&#21333;&#32447;&#31243;<span class="_ _7"></span>&#26631;&#35760;&#25972;&#29702;&#31639;&#27861;</div><div class="t m0 x20 h5 y2f ff6 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m1 x21 h6 y2f ff2 fs3 fc0 sc0 ls1 ws0">&#65289;</div><div class="t m0 x22 h7 y2f ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _1"></span><span class="ls6">................................<span class="_ _7"></span>...........................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">32<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y30 ff6 fs1 fc0 sc0 ls1 ws0">2.7.5.<span class="ff3 fs2"> <span class="_ _a"> </span></span>Parallel Old</div><div class="t m1 x6 h6 y30 ff2 fs3 fc0 sc0 ls1 ws0">&#25910;&#38598;&#22120;&#65288;&#22810;&#32447;&#31243;&#26631;&#35760;&#25972;<span class="_ _7"></span>&#29702;&#31639;&#27861;&#65289;</div><div class="t m0 x23 h7 y30 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _5"></span><span class="ls6">.........................................................................<span class="ls1"> <span class="_ _1"></span><span class="ls5">33<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x3 h5 y31 ff6 fs1 fc0 sc0 ls1 ws0">2.7.6.<span class="ff3 fs2"> <span class="_ _a"> </span></span>CMS</div><div class="t m1 x24 h6 y31 ff2 fs3 fc0 sc0 ls1 ws0">&#25910;&#38598;&#22120;&#65288;&#22810;&#32447;&#31243;&#26631;<span class="_ _7"></span>&#35760;&#28165;&#38500;&#31639;&#27861;<span class="_ _7"></span>&#65289;</div><div class="t m0 x25 h7 y31 ff7 fs1 fc0 sc0 ls1 ws0"> <span class="_ _3"></span><span class="ls6">.....................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls5">33<span class="ff3 fs2 ls1"> </span></span></span></span></div><div class="t m0 x13 h9 y32 ff8 fs4 fc0 sc0 ls1 ws0">2.7.6.1.<span class="ff3 fs2"> <span class="_ _9"> </span></span><span class="ff9">&#21021;&#22987;&#26631;&#35760;<span class="ff3"> <span class="_ _1"></span><span class="ls7">..............................................................................................................................................<span class="ls1"> <span class="_ _3"></span><span class="ls8">33<span class="fs2 ls1"> </span></span></span></span></span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d 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