package ch5;

import javax.swing.JOptionPane;

public class Operators
{

public void tryThis()
{
int amount = 200;
//if (0 < amount < 1000) // works only in math class
if (0 < amount && amount < 1000)
{}
if (200 > 100 && 0 > 100)
{     JOptionPane.showMessageDialog(null, "hi 1");
}
if (200 > 100 || 0 > 100)
{     JOptionPane.showMessageDialog(null, "hi 2");
}
if (! (200 > 100 && 0 > 100))
{     JOptionPane.showMessageDialog(null, "hi 3");
}
if (200 > 100 && !(0 > 100))
{     JOptionPane.showMessageDialog(null, "hi 4");
}
boolean married = false;
if (! married)
    JOptionPane.showMessageDialog(null, "hi 5");
}

public static void main(String[] args)
{
Operators o = new Operators();
o.tryThis();
}
}