ComputeThePerimeterOfaTriangle(Üçgenin çevresini hesaplama)

import javax.swing.JOptionPane;

public class ComputeThePerimeterOfaTriangle {
public static void main(String args[]){
//Taking the edges of triangle
double edge1;
edge1= Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the first edge!"));
double edge2;
edge2 = Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the second edge!"));
double edge3;
edge3 = Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the third edge!"));
//Find the environment of triangle
double perimeter = edge1 + edge2 + edge3;

//This part means what is qualification to be a triangle
if((edge1+edge2) > edge3 && (edge3+edge2)>edge1 && (edge1+edge3)>edge2 && edge1!=0 && edge2!=0 && edge3!=0 )
{
JOptionPane.showMessageDialog(null,"Perimeter of triangle is " + perimeter);
}
else
JOptionPane.showMessageDialog(null,"The triangle is not created!");


}


}