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[docs fix]typo

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guide 2022-07-03 20:57:38 +08:00
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docs/java/basis/java-basic-questions-02.md
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@ -481,7 +481,7 @@ public final class String implements java.io.Serializable, Comparable<String>, C
#### 字符串拼接用“+” 还是 StringBuilder?
Java 语言本身并不支持运算符重载，“+”和“+=”是专门为 String 类重载过的运算符，也是 Java 中仅有的两个重载过的元素符。
Java 语言本身并不支持运算符重载，“+”和“+=”是专门为 String 类重载过的运算符，也是 Java 中仅有的两个重载过的运算符。
```java
String str1 = "he";