.DETECTA NEGATIVOS

import javax.swing.JOptionPane;public class Mayor4 { public static void main(String[] args) { int a,b,negativo=0; a=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); b=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero B :")); if(a=0) { suma=suma+b; } if(c>=0) { suma=suma+c; } JOptionPane.showMessageDialog(null,"LA SUMA DE LOS POSITIVOS ES >>>> :" + suma); } }.Mayor de 4 numeros

import javax.swing.JOptionPane;public class Mayor4 { public static void main(String[] args) { int a,b,c,d; a=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); b=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); c=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); d=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); if(a>=b && a>=c && a>=d ) { JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + a); } if(b>=a && b>=c && b>=d ) { JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + b); } if(c>=a && c>=b && c>=d ) { JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + c); } if(d>=a && d>=b && d>=c ) { JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + d); } }}Mayor de 4 numeros versiobn 2import javax.swing.JOptionPane;public class Mayor4 { public static void main(String[] args) { int a,b,c,d,ganador1,ganador2; a=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); b=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); c=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); d=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); if(a>=b ) { ganador1=a; } else { ganador1=b; }

if(c>=d ) { ganador2=c; } else { ganador2=d; } if( ganador1 >= ganador2) { JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + ganador1); } else JOptionPane.showMessageDialog(null,"EL MAYOR NUMERO ES >>>> :" + ganador2); } }. MEDINA

import javax.swing.JOptionPane;public class Mayor4 { public static void main(String[] args) { int a,b,c,mediana=0; a=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero A :")); b=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero B :")); c=Integer.parseInt(JOptionPane.showInputDialog("Ingresa numero C :")); if(a>=b && a=c && a=a && b=c && b=a && c=b && c