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Java 字符串方法
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Java 字符串 length() 方法

❮ 字符串方法

示例

返回字符串中的字符数量

String txt = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
System.out.println(txt.length());

亲自尝试 »

定义和用法

The length() 方法返回指定字符串的长度。

注意： 空字符串的长度为 0。

语法

public int length()

参数

无。

技术细节

返回值 一个 int 值，表示字符串的长度

❮ 字符串方法
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