Java.lang.StringBuilder.length() Method


Advertisements


Description

The java.lang.StringBuilder.length() method returns the length (character count).

Declaration

Following is the declaration for java.lang.StringBuilder.length() method

public int length()

Parameters

NA

Return Value

This method returns the length of the sequence of characters currently represented by this object.

Exception

NA

Example

The following example shows the usage of java.lang.StringBuilder.length() method.

package com.tutorialspoint;

import java.lang.*;

public class StringBuilderDemo {

   public static void main(String[] args) {
  
      StringBuilder str = new StringBuilder("admin");
   
      // prints the length of StringBuilder
      System.out.println("length = " + str.length());

      str = new StringBuilder("");
      
      // prints the length of empty StringBuider
      System.out.println("length = " + str.length());
   }
}  

Let us compile and run the above program, this will produce the following result −

length = 5
length = 0

java_lang_stringbuilder.htm

Advertisements