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Equação do 2º grau
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import javax.swing.*; | |
import java.math.*; | |
public class HelloWorld{ | |
public static void main(String args[]){ | |
double delta,a,b,c,x1,x2; | |
String vat; //vat=Valor ATual | |
JOptionPane.showMessageDialog(null,"Bem-vindo ao calculador de equação do 2º grau!"); | |
vat = JOptionPane.showInputDialog("Insira o coeficiente a"); | |
a = Float.parseFloat(vat.trim()); | |
vat = JOptionPane.showInputDialog("Insira o coeficiente b"); | |
b = Float.parseFloat(vat.trim()); | |
vat = JOptionPane.showInputDialog("Insira o coeficiente c"); | |
c = Float.parseFloat(vat.trim()); | |
//valores armazenados em a, b e c | |
delta = Math.pow(b, 2)-(4*a*c); //delta calculado | |
x1 = (-b+delta)/(2*a); | |
x2 = (-b-delta)/(2*a); | |
JOptionPane.showMessageDialog(null, "Os resultados são "+x1+" e "+x2); | |
} | |
} |
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