Java - String startsWith() Method


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Description:

This method has two variants and tests if a string starts with the specified prefix beginning a specified index or by default at the beginning.

Syntax:

Here is the syntax of this method:

public boolean startsWith(String prefix, int toffset)

or

public boolean startsWith(String prefix)

Parameters:

Here is the detail of parameters:

  • prefix -- the prefix to be matched.

  • toffset -- where to begin looking in the string.

Return Value:

  • It returns true if the character sequence represented by the argument is a prefix of the character sequence represented by this string; false otherwise.

Example:

import java.io.*;

public class Test{
   public static void main(String args[]){
      String Str = new String("Welcome to Tutorialspoint.com");

      System.out.print("Return Value :" );
      System.out.println(Str.startsWith("Welcome") );

      System.out.print("Return Value :" );
      System.out.println(Str.startsWith("Tutorials") );

      System.out.print("Return Value :" );
      System.out.println(Str.startsWith("Tutorials", 11) );
   }
}

This produces the following result:

Return Value :true
Return Value :false
Return Value :true

java_strings.htm

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