Java 关于七星彩 机选次数排列

public class Test01 {
	public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);
	System.out.print("请输入一个数");
		int a = sc.nextInt();
			for(int i = 1;i <= a; i++){
				for(int j=1;j<= 7;j++){
		int k=(int)(Math.random()*10);
							System.out.print(k+" ");
           }
						System.out.println();
       }
	sc.close();
}

}