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Merge pull request #1189 from BruceLeeChina/master

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包装类和常量池部分内容修改
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Guide哥 2021-05-13 20:56:49 +08:00 committed by GitHub
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docs/java/basis/Java基础知识.md
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@ -668,7 +668,7 @@ Integer i2 = new Integer(40);
System.out.println(i1==i2);
```
`Integer i1=40` 这一行代码会发生拆箱，也就是说这行代码等价于 `Integer i1=Integer.valueOf(40)` 。因此，`i1` 直接使用的是常量池中的对象。而`Integer i1 = new Integer(40)` 会直接创建新的对象。
`Integer i1=40` 这一行代码会发生装箱，也就是说这行代码等价于 `Integer i1=Integer.valueOf(40)` 。因此，`i1` 直接使用的是常量池中的对象。而`Integer i1 = new Integer(40)` 会直接创建新的对象。
因此，答案是 `false` 。你答对了吗？