java tutorial - Java Strings startsWith() method - java programming - learn java - java basics - java for beginners
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Description
The method startsWith () has two options and checks whether the string starts with the specified prefix, starting at the specified index or from the beginning (by default).
Syntax
Syntax method:
public boolean startsWith(String prefix, int toffset)
or
public boolean startsWith(String prefix)click below button to copy the code. By - java tutorial - team
Options
Detailed information about the parameters:
- prefix — the prefix to be matched;
- toffset is the initial search index in the string.
Return value
- In Java, startsWith () method returns true if the sequence of characters represented by the argument is the prefix of the sequence of characters represented by the given string; or else false.
Sample Code
import java.io.*;
public class Test {
public static void main(String args[]) {
String Str = new String("Welcome to wikitechy.com");
System.out.print("Return value:");
System.out.println (Str.startsWith ("Welcome"));
System.out.print("Return value:");
System.out.println (Str.startsWith ("ProgLang"));
System.out.print("Return value:");
System.out.println (Str.startsWith ("ProgLang", 20));
}
}
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Output
Return value:true
Return value:false
Return value:false