好记性不如烂笔头
import java.util.Scanner;public class ChengJiDengJi { /** * @param args */ static double mark ; public static void main(String[] args) { // TODO Auto-generated method stub while(true){ try { Scanner sca = new Scanner(System.in); mark = sca.nextDouble(); if(mark>=0&&mark<=100){ break; } System.out.PRintln("————————");// break; } catch (Exception e) { System.out.println("....."); System.out.println(e.toString()); } } if(mark<60){ System.out.println("N"); }else{ System.out.println("Y"); }// System.out.println(mark); }}新闻热点
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