Exercicio6.java

/*
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 */
package com.mycompany.paulista20261;

import javax.swing.JOptionPane;

/**
 *
 * @author 826174958
 */
public class Exercicio6 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    double a1 = Double.parseDouble(JOptionPane.showInputDialog("Digite a1"));
    double a2 = Double.parseDouble(JOptionPane.showInputDialog("Digite a2"));
    double a3 = Double.parseDouble(JOptionPane.showInputDialog("Digite a3"));
    
    double pA1 = a1 * 0.30;
    double pA2 = a2 * 0.30;
    double pA3 = a3 * 0.40;
    
    double media = (pA1 + pA2 + pA3);
    JOptionPane.showMessageDialog(null, media);
    
    }
    
}