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date9.java
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46 lines (38 loc) · 1.35 KB
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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: 2020-09-16 09:07:57
* @LastEditTime: 2020-09-16 09:13:44
* @FilePath: \java\javaAPI\date\date9.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.date;
import java.util.Calendar;
public class date9 {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
// 设置年
int year = cal.get(Calendar.YEAR);
// 设置月
int month = cal.get(Calendar.MONTH) + 1;
// 设置日
int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);
System.out.println(year + "年" + month + "月" + dayOfMonth + "日");
cal.add(Calendar.DAY_OF_MONTH, 2);
cal.add(Calendar.YEAR, -3);
// 设置年
year = cal.get(Calendar.YEAR);
// 设置月
month = cal.get(Calendar.MONTH) + 1;
// 设置日
dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);
System.out.println(year + "年" + month + "月" + dayOfMonth + '日');
}
}
/*
2020年9月16日
2017年9月18日
*/