java输出3行4列的*

import jdk.jshell.spi.ExecutionControl;

class PrintYnits{
    public void printRectangle(int line,int column,String sign){
        for (int i =1;i <= line;i++){
            for (int j = 1;j<=column;j++){
                System.out.print(sign);
            }
            System.out.println();
        }
    }
}


public class Tetmoh04 {
    public static void main(String[] args) {
        PrintYnits p = new PrintYnits();
        p.printRectangle(3,4,"$");
    }
}