Valor de una matriz mayor a otra
import java.util.*;
public class prueba1{
public static void main (String[]Args){
int matriza[][] = new int [3][3];
int i, j, mayor;
mayor = 0;
Scanner dato = new Scanner (System.in);
for (i=0; i<=2; i++){
for (j=0; j<=2; j++){
System.out.print("Escribir valor " + i + " , " + j + " : ");
matriza[i][j] = dato.nextInt();
if (mayor<matriza[i][j]){
mayor=matriza[i][j];
}
}
}
System.out.println ("El Número mayor es :" + mayor);
for (i=0;i<=2;i++){
for (j=0;j<=2;j++){
System.out.print(mayor+"");
}
System.out.println("");
}
}
}