Java中的format
时间: 2024-05-22 17:13:29 浏览: 41
函数是什么?能否举个例子?
Java中的format函数是一种用于格式化字符串的方法。它通过将格式化字符串与要格式化的数据结合使用,将指定的数据转换为字符串并返回结果。
例如,以下代码将一个整数变量格式化为字符串:
int num = 100;
String formattedString = String.format("The number is: %d", num);
在这个例子中,"The number is: %d"是一个格式化字符串,%d表示要插入一个整数值。format函数将格式化字符串与变量num结合使用,将其转换为字符串"The number is: 100"并返回结果。
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