Briefly introduce the code examples of heap area, method area and stack area in Java

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Heap area:Only stores classobjects, shared by threads;

Method area: Also called static storage area, which stores class files and static data, shared by threads;

Stack area: Storage method local variables, basic type variable area, execution environment context, operation instruction area, threads are not shared;

class A {
  private String a = “aa”; //a在堆区
  public boolean methodB() {
    String b = “bb”; //b在栈区
    final String c = “cc”; // c在栈区
  }
}

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