JAVA EE: Java Tutorial : Java String Concatenation

Thursday 31 March 2016

Java Tutorial : Java String Concatenation

Click here to watch in Youtube :
https://www.youtube.com/watch?v=Fc0C-ZrmSTE&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge

Java Tutorial : Java String Concatenation

ConcatenationDemo1.java

public class ConcatenationDemo1
{

    public static void main(String[] args)
    {
        /*
         * String concatenation operator produces a new
         * string by appending the second operand onto the
         * end of the first operand.
         */
        String string1 = "Hello" + " World";
        System.out.println(string1);// Hello World

        /*
         * The string concatenation operator can concat not
         * only string but primitive values also.
         */
        String string2 = 50 + 30 + "Hello" + 40 + 40;
        System.out.println(string2);// 80Sachin4040

    }
}

Output

Hello World
80Hello4040

ConcatenationDemo2.java

public class ConcatenationDemo2
{

    public static void main(String[] args)
    {
        String s1 = "Sachin ";  
        String s2 = "Tendulkar";
        String s3 = s1.concat(s2);
        System.out.println(s3);// Sachin Tendulkar

    }

}