StringBufferdelete and deleteCharAt Demo

CODE

class StringBufferDeleteExample
{
    public static void main(String arg[])
    {
        StringBuffer firstWord = new StringBuffer("Bharat");
        System.out.println(firstWord);
        firstWord.delete(1, 4);
        System.out.println(firstWord);
        firstWord.deleteCharAt(0);
        System.out.println(firstWord);    
    }
}

OUTPUT

Bharat
Bat
at

DESCRIPTION

This program shows how to delete a character or set of characters from a StringBuffer object. The first output line Bharat is just the display of contents of firstWord. The second output line Bat is obtained by deleting a substring from Bharat using delete(startIndex, endIndex). The substring(1, 4) i.e har is deleted from Bharat to get Bat. The third output at is obtained by deleting the first character of Bat using deleteCharAt(0). The character at zero position is deleted.

THINGS TO TRY

Write this code at the end of above program and observe the output. The output is should be a. Since characters from 1 are deleted
firstWord.delete(1, 4);</br> System.out.println(firstWord);

Try it Online

StringBufferdelete and deleteCharAt Demo - Java Example Program