JAVA EE: Java Tutorial : Java switch statement

Wednesday 18 November 2015

Java Tutorial : Java switch statement

Click here to watch in Youtube :
https://www.youtube.com/watch?v=hd-3sUYhENw&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge

Java Tutorial : Java switch statement

SwitchDemo.java

class SwitchDemo
{
    public static void main(String[] args)
    {

        int month = 3;
        String monthValue;
        switch (month)
        {
        case 1:
            monthValue = "January";
            break;
        case 2:
            monthValue = "February";
            break;
        case 3:
            monthValue = "March";
            break;
        case 4:
            monthValue = "April";
            break;
        case 5:
            monthValue = "May";
            break;
        case 6:
            monthValue = "June";
            break;
        case 7:
            monthValue = "July";
            break;
        case 8:
            monthValue = "August";
            break;
        case 9:
            monthValue = "September";
            break;
        case 10:
            monthValue = "October";
            break;
        case 11:
            monthValue = "November";
            break;
        case 12:
            monthValue = "December";
            break;
        default:
            monthValue = "Invalid month";
            break;
        }
        System.out.println("Month is : "+monthValue);
    }
}

Output

Month is : March

IfThenElseDemo.java

public class IfThenElseDemo
{

    public static void main(String[] args)
    {
        int month = 3;
        String monthValue;
        if (month == 1)
        {
            monthValue = "January";
        }
        else if (month == 2)
        {
            monthValue = "February";
        }
        else if (month == 3)
        {
            monthValue = "March";
        }
        else if (month == 4)
        {
            monthValue = "April";
        }
        else if (month == 5)
        {
            monthValue = "May";
        }
        else if (month == 6)
        {
            monthValue = "June";
        }
        else if (month == 7)
        {
            monthValue = "July";
        }
        else if (month == 8)
        {
            monthValue = "August";
        }
        else if (month == 9)
        {
            monthValue = "September";
        }
        else if (month == 10)
        {
            monthValue = "October";
        }
        else if (month == 11)
        {
            monthValue = "November";
        }
        else if (month == 12)
        {
            monthValue = "December";
        }
        else
        {
            monthValue = "Invalid month";
        }
        System.out.println("Month is : " + monthValue);

    }
}