StringBuffer sb = new StringBuffer("Hello World!"); sb.delete(6, 11); System.out.println(sb); // Output: Hello!
StringBuffer sb = new StringBuffer("Java StringBuffer"); sb.delete(0, sb.length()); System.out.println(sb); // Output: ""In this example, the `delete` method is used to clear the entire character sequence of the `sb` StringBuffer instance. The `delete` method takes two arguments, the start index 0 (inclusive) and the end index `sb.length()` (exclusive) of the characters that need to be removed. The output of this code will be an empty string. The `delete` method is a member of the java.lang package, which means that it's available in all Java applications and doesn't require any external libraries.