Java String length() Method

Java String类Java String Class


The length() method is used to return the length of a string.

The length of an empty string returns 0.

Syntax

public int length()

Parameters

  • None

Return Value

Returns the length of the string.

Example

The following example demonstrates the use of the length() method:

Example

public class Test {
        public static void main(String args[]) {
                String Str1 = new String("www.example.com");
                String Str2 = new String("example" );

                System.out.print("String Str1 length :");
                System.out.println(Str1.length());
                System.out.print("String Str2 length :");
                System.out.println(Str2.length());
        }
}

The output of the above program is:

字符串 Str1 长度 :14
字符串 Str2 长度 :6

Java String类Java String Class

Other Extensions