minimum of three number in java

import javax.swing.*;

public class MinOfThree
{
  public static void main(String[] args)
  {
    int num1, num2, num3, min = 0;
    num1 =  Integer.parseInt  (JOptionPane.showInputDialog  (null, "Enter a 1st number"));
    num2 =  Integer.parseInt  (JOptionPane.showInputDialog  (null, "Enter a second number"));
    num3 =  Integer.parseInt  (JOptionPane.showInputDialog  (null, "Enter a third number"));
   
    if (num1 < num2)
    if (num1 < num3)
    min = num1;
    else
    min = num3;
    else
    if (num2 < num3)
    min = num2;
    else
    min = num3;
   
    //  System.out.println("Minimum value is: " + min);
    JOptionPane.showMessageDialog(null,"The Minimum value is "+ min);
    JOptionPane
  }
}

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