18 lines
363 B
Markdown
18 lines
363 B
Markdown
- 长度和内容可变的[[String]] [[字符串]]
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- ```java
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//创建一个16个字符串
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StringBulider s = new StringBuilder();//可传入字符串，长度
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a.append("Hello,World");
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a.append("nihao");
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```
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- [[apppend]]
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- [[insert]]
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- [[capacity]]
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- [[length]]
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- [[setCharAt]]
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- [[delete]]
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- [[reverse]]
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- [[substring]]
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- [[indexOf]]
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- [[lastIndexOf]]
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