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docs/java/Java疑难点.md line:65 " == "符号与md语法中的高亮语法冲突,造成歧义 #469

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2 changes: 1 addition & 1 deletion docs/java/Java疑难点.md
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Expand Up @@ -62,7 +62,7 @@ public static boolean equals(Object a, Object b) {
Reference:[Java中equals方法造成空指针异常的原因及解决方案](https://blog.csdn.net/tick_tock97/article/details/72824894)

- 每种原始类型都有默认值一样，如int默认值为 0，boolean 的默认值为 false，null 是任何引用类型的默认值，不严格的说是所有 Object 类型的默认值。
- 可以使用==或者!=操作来比较null值，但是不能使用其他算法或者逻辑操作。在Java中`null==null`将返回true。
- 可以使用 == 或者 != 操作来比较null值，但是不能使用其他算法或者逻辑操作。在Java中`null == null`将返回true。
- 不能使用一个值为null的引用类型变量来调用非静态方法，否则会抛出异常

## 1.2. 整形包装类值的比较
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