Using The if-else Statement in Java http://www.chankok.com/java-use-the-if-else-statement/

IfElseStatementExample.java

public class IfElseStatementExample {

    public static void main(String[] args) {

        // Initialization
        int score = 0;
        String today = "";

        // Example 1: if Statement
        score = 150;
        if (score > 100) {
            System.out.println("The score is more than 100");
        }

        // Example 2: if-else Statement
        score = 30;
        if (score >= 40) {
            System.out.println("The result is passed");
        } else {
            System.out.println("The result is failed");
        }

        // Example 3: if-else-if-else Statement
        today = "Wednesday";
        if (today.equals("Monday")) {
            System.out.println("Today is Monday");
        } else if (today.equals("Tuesday")) {
            System.out.println("Today is Tuesday");
        } else if (today.equals("Wednesday")) {
            System.out.println("Today is Wednesday");
        } else if (today.equals("Thursday")) {
            System.out.println("Today is Thursday");
        } else if (today.equals("Friday")) {
            System.out.println("Today is Friday");
        } else {
            System.out.println("Today is weekend");
        }

        // Example 4: Nested if Statement
        score = 55;
        if (score >= 40) {
            if (score < 60) {
                System.out.println("The result is grade C");
            }
        } else {
            System.out.println("The result is failed");
        }

    }

}