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8 种 Java 内存溢出之一:Java Heap Space

1.1 java.lang.OutOfMemoryError: Java heap space 概述 Java 应用只允许使用有限的内存。这个限制是在应用启动的时候指定的。展开来说， Java 内存分成 2 个不同的区域。这两个区域叫做 Heap Space （堆内存）和 Permgen （Perm...

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Java虚拟机内存的堆区（heap），栈区（stack）和静态区（static/method）

JAVA的JVM的内存可分为3个区：堆(heap)、栈(stack)和方法区(method) 堆区:1.存储的全部是对象，每个对象都包含一个与之对应的class的信息。(class的目的是得到操作指令)2.jvm只有一个堆区(heap)被所有线程共享，堆中不存放基本类型和对象引用，只存放对象本身. ...

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