Java startsWith() Method

Java String类Java String Class


The startsWith() method is used to check whether a string starts with the specified prefix.

Syntax

public boolean startsWith(String prefix, int toffset)

或

public boolean startsWith(String prefix)

Parameters

  • prefix-- Prefix.

  • toffset-- The position in the string to start the search.

Return Value

Returns true if the string starts with the specified prefix; otherwise returns false.

Example

public class Test { public static void main(String args[]) { String Str = new String("www.example.com"); System.out.print("Return Value:" ); System.out.println(Str.startsWith("www") ); System.out.print("Return Value:" ); System.out.println(Str.startsWith("example") ); System.out.print("Return Value:" ); System.out.println(Str.startsWith("example", 4) ); } }

The above program produces the following result:

返回值 :true
返回值 :false
返回值 :true

Java String类Java String Class

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