Java Swing if else statement using Netbeans IDE

Java Swing if else statement using Netbeans IDE

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public static void main(String args[]) {  String input = JOptionPane.showInputDialog("Enter your age");  int aga = Integer.parseInt(input);  if (age >=18){    JOptionPane.showMessageDialog(null,"You are an adult");  }else{    JOptionPane.showMessageDialog(null,"You are a minor");  }  /* Create and display the form */         java.awt.EventQueue.invokeLater(new Runnable() {             public void run() {                 new JTextField_JFrame().setVisible(true);             }         }); }

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public static void main(String args[]) {  int side1 = Integer.parseInt(JOptionPane.showInputDialog("Enter the first side"));  int side2 = Integer.parseInt(JOptionPane.showInputDialog("Enter the second side"));  int side3 = Integer.parseInt(JOptionPane.showInputDialog("Enter the third side"));    if (side1 == side2 && side2 == side3){     JOptionPane.showMessageDialog(null,"It is an equilateral triangle");  }else{    if (side1 == side2 || side2 == side3) {    JOptionPane.showMessageDialog(null,"It is an isosceles triagle")    }else{    JOptionPane.showMessageDialog(null,"It is an scalene triagle")    }  }     /* Create and display the form */         java.awt.EventQueue.invokeLater(new Runnable() {             public void run() {                 new JTextField_JFrame().setVisible(true);             }         }); }