定义一个字符串数组,长度num由用户输入,用户输入num个学号,初始化字符串数组,将用户输入的num个数组依次输出,并输出该学号所属班级,在班级内的学号。 |
import java.util.Scanner; |
public class exam9 { |
public static void main(String[] args) |
{ |
int length= 0 ; |
char classnum; |
String number; |
Scanner reader= new Scanner(System.in); |
System.out.print( "请输入学生数:" ); |
length=reader.nextInt(); |
String[] stunum= new String[length]; |
for ( int i= 0 ;i<stunum.length;i++) |
{ |
System.out.print( "请输入第" +(i+ 1 )+ "个学生的学号:" ); |
stunum[i]=reader.next(); |
} |
for ( int i= 0 ;i<stunum.length;i++) |
{ |
classnum=stunum[i].charAt( 5 ); |
number= stunum[i].substring( 6 ); |
System.out.println( "第" +(i+ 1 )+ "个学生是" +classnum+ "班" +number+ "号:" ); |
} |
} |
} |