ll回家了

package TEST2;import java.util.Scanner;public class PE2 { public static void main(String[] args) { // TODO 自动生成的方法存根 //让学生输入学号，取出中间的第6至8位表示班级编号，并输出 System.out.println("请输入学号"); Scanner sc =new Scanner(System.in); String name=sc.next();.

package TEST2;import java.util.Scanner;public class PE { public static void main(String[] args) { // TODO 自动生成的方法存根 System.out.println("请输入用户名"); Scanner sc =new Scanner(System.in); String name=sc.next(); String strh = name.substring(name.

package my;import java.io.IOException;import java.text.DecimalFormat;public class Test { public void avg(int a, int b,int c){ int sum=a+b+c; double avg = (double)sum/3; System.out.println(a); System.out.println(b); System.out.println(.

package Mypack;import java.io.*;import java.util.Scanner;public class Macode { public static void main(String [] args) throws IOException{ int x,y; Scanner myinput=new Scanner(System.in); System.out.println("请输入一个整数"); .