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@godie007
Created May 17, 2012 21:23
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import javax.swing.JOptionPane;
public class Ejercicio1 {
private static int metodo(int a) {
int b = 0;
for (int i = 1; i <= a; i++) {
int mod = i*3;
b += mod;
}return b;
}
public static void main(String[] args) {
int a = Integer.parseInt(JOptionPane.showInputDialog("num"));
System.out.println("ES: "+ metodo(a));
}
}
import javax.swing.JOptionPane;
public class Ejercicio2 {
private static int metodo() {
int Numero = Integer.parseInt(JOptionPane.showInputDialog("Ingrese el número: "));
int Cuenta = 0;
Cuenta = 0;
for (int N = 1; N != Numero + 1; N++) {
if (Numero % N == 0) {
Cuenta++;
}
}return Cuenta;
}
public static String metodo2() {
String c1= "";
if (metodo()==2) {
c1 = "es primo";
} else {
c1 = "no es primo";
}
return c1;
}
public static void main(String[] args) {
System.out.println("el resultado " + metodo2());
}
}
public class Ejercicio3 {
public static int Cadena(String cadena,int contador){
for (int i = 0; i < cadena.length(); i++) {
cadena = cadena.toUpperCase();
if ( cadena.charAt(i) == 'A'
||cadena.charAt(i) == 'E'
||cadena.charAt(i) == 'I'
||cadena.charAt(i) == 'O'
||cadena.charAt(i) == 'U'){
contador++;
}
}
return contador;
}
public static void main(String args[]){
int contador = 0;
System.out.println(Cadena("murcielago", contador));
}
}
public class Ejercicio4 {
public static int suma(int numero) {
int sumatory = 0;
for (int i = 1; i <= numero; i++) {
sumatory += i;
}
return sumatory;
}
public static void main(String[] args) {
System.out.println("a: "+suma(9));
}
}
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