1. importjava.util.*;
public class minusculas {
public static void nombre(){
Scanner tecla=new Scanner(System.in);
String Nom[]=new String[8];
for(int a=0;a<8;a++){
System.out.println ("Ingrese el monbre"+(a)+":");
Nom[a]=tecla.next();
}
for(int j=3;j<7;j+=3){
System.out.println ("Nombre["+(j)+"]:"+Nom[j].toLowerCase());
}
}
public static void main(String[] args) {
nombre();
}
}
publicclassPaso_Datos {
publicstaticvoid cambio (int y[]) {
y[0]*=2;
y[1]*=2;
y[2]*=2;
System.out.println (y[0]+"n"+y[1]+"n"+y[2]);
}
public static void main(String[] args) {

2. int x[]=new int[3];
x[0]=5;
x[1]=10;
x[2]=15;
cambio(x);
System.out.println (x[0]+"n"+x[1]+"n"+x[2]);
}
}
public class Copia {
public static void cambio (int y[]) {
int z[]=new int [3];
z[0]=y[0];
z[1]=y[1];
z[2]=y[2];
System.out.println (z[0]+"n"+z[1]+"n"+z[2]);
}
public static void main(String[] args) {
int x[]=new int[3];
x[0]=5;
x[1]=10;
x[2]=15;
cambio(x);
System.out.println (x[0]+"n"+x[1]+"n"+x[2]);
}
}