StringBuilder delete() in Java with Examples

// Java program to demonstrate
// the delete() Method.
class GFG {
    public static void main(String[] args)
    {
        // create a StringBuilder object
        // with a String pass as parameter
        StringBuilder
            str
            = new StringBuilder("WelcomeGeeks");
        // print string
        System.out.println("Before removal String = "
                           + str.toString());
        // remove the substring from index 2 to 8
        StringBuilder afterRemoval = str.delete(2, 8);
        // print string after removal of substring
        System.out.println("After removal String = "
                           + afterRemoval.toString());
    }
}

// Java program to demonstrate
// the delete() Method.
class GFG {
    public static void main(String[] args)
    {
        // create a StringBuilder object
        // with a String pass as parameter
        StringBuilder
            str
            = new StringBuilder("GeeksforGeeks");
        // print string
        System.out.println("Before removal String = "
                           + str.toString());
        // remove the substring from index 8 to 8
        StringBuilder afterRemoval = str.delete(8, 8);
        // start equal to end so no change in string
        // print string after removal of substring
        System.out.println("After removal of SubString"
                           + " start=8 to end=8"
                           + " String becomes => "
                           + afterRemoval.toString());
        // remove the substring from index 1 to 8
        afterRemoval = str.delete(1, 8);
        // print string after removal of substring
        System.out.println("After removal of SubString"
                           + " start=1 to end=8"
                           + " String becomes => "
                           + afterRemoval.toString());
    }
}

// Java program to demonstrate
// exception thrown by the delete() Method.
class GFG {
    public static void main(String[] args)
    {
        // create a StringBuilder object
        // with a String pass as parameter
        StringBuilder
            str
            = new StringBuilder("GeeksforGeeks");
        try {
            // make start greater than end
            StringBuilder afterRemoval = str.delete(7, 4);
        }
        catch (Exception e) {
            System.out.println("Exception: " + e);
        }
    }
}