04 If boolean optrs (&&, ||)

import javax.swing.*;

class IfSample

{

public static void main (String[] args)

{

String gradeStr;

int grade;

gradeStr = JOptionPane.showInputDialog("Enter grade:");

grade = Integer.parseInt(gradeStr);

if (grade < 0 || grade > 100)

{

System.out.println("That is not a valid grade");

}

if(grade >= 60 && grade <= 100)

{

System.out.println("You passed. Yay!");

}

if(grade >= 0 && grade < 60 )

{

System.out.println("You did not pass.");

}

}

}