class Ex070204{
	static boolean areEqual(int[][] x,int[][] y){
		boolean b=true;
	end:		
		for (int i=0;i<x.length;i++){
			for (int j=0;j<x.length;j++){
				if (x[i][j]!=y[i][j]){
					b=false;
					break end;
				}
			}
		}	
		return b;
	}
	public static void main(String[] args){
		int[][] x = new int[4][4];
		int[][] y = new int[4][4];
		for (int i=0;i<x.length;i++)
			for (int j=0;j<x.length;j++)
				x[i][j]=(int)(Math.random()*101);

		for (int i=0;i<x.length;i++)
			for (int j=0;j<x.length;j++)
				y[i][j]=(int)(Math.random()*101);
			y=x;	
		System.out.println("\n數(shù)組x和y "+(areEqual(x,y)?"相等":"不相等"));
	}
}