import java.util.Scanner; import java.util.Scanner; public class ch35 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入一个百分制成绩"); int a = input.nextInt(); String chengji = ""; switch (a){ case 60: chengji = "及格"; break; case 80: chengji = "良好"; break; case 90: chengji = "优秀"; break; } System.out.print("成绩" + chengji); } }
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- CSDN专家-赖老师(软件之家) 2021-05-26 00:25关注
switch条件做一下处理,除以10就可以少很多case语句了;正确处理代码如下:
import java.util.Scanner; public class switch用法 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入一个百分制成绩"); int a = input.nextInt(); String chengji = ""; switch (a/10) { case 6: chengji = "及格"; break; case 7: case 8: chengji = "良好"; break; case 9: case 10: chengji = "优秀"; break; default: chengji = "不及格"; break; } System.out.print("成绩" + chengji); } }
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