Java Program to Demo Built-in String Functions

Table of Contents

/*
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 */
package JavaExamples;

/**
*
* @author Admin
*/
public class StringDemo {

    public static void main(String[] args) {

        int x, y;

        String S = "Elephant";

        String S1 = "Tiger";

        String S3 = "Hello";

        x = S.length();
        y = S1.length();
    
        System.out.println("Length of S=" + x);
        System.out.println("Length of S1=" + y);
    
        System.out.println(S.toUpperCase());
        System.out.println(S.toLowerCase());

        String S2 = S + S1;

        System.out.println("S2=" + S2);

        String S4 = S3.concat(S1);

        System.out.println(S4);
    }

}

Output

The output of the program is given below. It show the various forms of string variable – uppercase, lowercase, concatenated strings and length of strings.

Length of S=8

Length of S1=5

ELEPHANT

elephant

S2 = ElephantTiger

HelloTiger

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Problem Definition

Flowchart

Program Code

Output

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