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How to remove substring from StringBuilder?

This example demonstrate you how to use the StringBuilder delete(int start, int end) and deleteCharAt(int index) to remove a substring or a single character from a StringBuilder.

package com.javacoderanch.example.lang;

public class StringBuilderDelete {
    public static void main(String[] args) {
        StringBuilder lipsum = new StringBuilder("Lorem ipsum dolor sit amet, " +
                "consectetur adipisicing elit.");
        System.out.println("lipsum = " + lipsum.toString());

        //
        // We'll remove a substring from this StringBuilder starting from the
        // first character to the 28th character.
        //
        lipsum.delete(0, 28);
        System.out.println("lipsum = " + lipsum.toString());

        //
        // Removes a char from the StringBuilder. In the example below we remove
        // the last character.
        //
        lipsum.deleteCharAt(lipsum.length() - 1);
        System.out.println("lipsum = " + lipsum.toString());
    }
}