键盘录入n行m列的*

import java.util.Scanner;

public class For {
public static void main(String[] args) {
//输入n行m列*
Scanner sc=new Scanner(System.in);
System.out.println(“请输入行数”);
int n =sc.nextInt();

System.out.println("请输入列数");
int m =sc.nextInt();


for(int i=0;i<n;i++){
	for(int a=0;a<m;a++){
		System.out.print("*");
	}
	System.out.println();
}

}
}