Java - String length() Method

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本文介绍了 Java 中 String 类的 length() 方法，该方法用于返回字符串中 16 位 Unicode 字符的数量，即字符串的长度。通过示例代码展示了如何使用此方法获取不同字符串的长度。

Java - String length() Method

Description

This method returns the length of this string. The length is equal to the number of 16-bit Unicode characters in the string.

Syntax

Here is the syntax of this method −

public int length()

Parameters

Here is the detail of parameters −

Return Value

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

Example

import java.io.*;
public class Test {

   public static void main(String args[]) {
      String Str1 = new String("Welcome to Tutorialspoint.com");
      String Str2 = new String("Tutorials" );

      System.out.print("String Length :" );
      System.out.println(Str1.length());

      System.out.print("String Length :" );
      System.out.println(Str2.length());
   }
}