Java - Ayuda con Matriz 5x5 con ciclos anidados en java

package tare;

public class Tare {

    public static void main(String[] args) {

        int[][] array={ {1,2,3,4,5}, {6,7,8,9,10},{11,12,13,14,15},{16,17,18,19,20},{21,22,23,24,25}};

      for (int i=0; i<(array.length); i++ ) {

    for (int j=0;j<array[i].length;j++)

        System.out.println(array[i][j]);

}

    }

}

import java.util.Random;

public class Matriz5x5 {

    public static void main(String[] args) {

       int x,y;

       String Cad="";

       int Matriz[][]=new int[5][5];

       Random na=new Random();

       for(x=0;x<5;x++){

           for(y=0;y<5;y++){

               Matriz[x][y]=(int)Math.rint(na.nextDouble() * 200 + 100);

            }

       }

      for(x=0;x<5;x++){

            Cad="";

           for(y=0;y<5;y++){

               Cad=Cad+Matriz[x][y]+" ";

            }

           System.out.println(Cad);

       }

     }

 }