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format.java
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/*
* @由于个人水平有限, 难免有些错误, 还请指点:
* @Author: cpu_code
* @Date: 2020-09-12 11:36:45
* @LastEditTime: 2020-09-12 11:53:20
* @FilePath: \java\javaAPI\format.java
* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)
* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)
* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)
* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)
*/
package javaAPI;
public class format {
public static void main(String[] args) {
String s = "cpucode";
System.out.println(s);
//转换为大写
s = s.toUpperCase();
System.out.println(s);
}
}
/*
cpucode
CPUCODE
*/