Java String startsWith() method
Java String startsWith() method checks whether current String starts with given prefix or not .
Syntax:
public boolean startsWith(String prefix) public boolean startsWith(String prefix, int offset)
Parameters:
prefix : It is sequence of character
Returns:
It returns true, if this string starts with given prefix else returns false.
Java String startsWith() method example 1
public class JavaStringStartsWithEx1 { public static void main(String args[]) { String s1=("java string split method by tutorialsandexample"); System.out.println(s1.startsWith("ja")); System.out.println(s1.startsWith("java string")); } }
Output:
true true
Java String startsWith(String prefix, int offset) Method Example 2
public class JavaStringStartsWithExample2 { public static void main(String[] args) { String str = "TutorialAndExample"; System.out.println(str.startsWith("T")); // True System.out.println(str.startsWith("a")); // False System.out.println(str.startsWith("u",1)); // True } }
Output
true false true
Java String startsWith() method example 3
public class JavaStringStartsWithEx3 { public static void main(String[] args) { System.out.println(); String s1 = "www.tutorialandexamples.com"; System.out.println(s1); String startstr = "www"; String startstr1 = "http://"; boolean returnval1 = s1.startsWith(startstr); boolean returnval2 = s1.startsWith(startstr1); System.out.println(returnval1); System.out.println(returnval2); System.out.println(); } }
Output:
www.tutorialandexamples.com true false
Java String startsWith() method example 4
import java.lang.*; public class JavaStringstartsWithEx4 { public static void main(String[] args) { System.out.println(); String str = "www.tutorialandexamples.com"; System.out.println(str); String startstr = "examples"; // checks that string starts with given substring and starting index boolean returnval1 = str.startsWith(startstr); // prints true if the string starts with given substring System.out.println("starts with " + startstr + " ? " + returnval1); } }
Output:
www.tutorialandexamples.com starts with examples ? false
Java String startsWith() method example 5
import java.lang.*; public class JavaStringstartsWithEx5 { public static void main(String[] args) { System.out.println(); String str = "www.tutorialandexamples.com"; System.out.println(str); // the start string to be checked String startstr = "examples"; String startstr1 = "examples"; // checks that string starts with given substring and starting index boolean returnval1 = str.startsWith(startstr); boolean returnval2 = str.startsWith(startstr1, 16); // prints true if the string starts with given substring System.out.println("starts with " + startstr + " ? " + returnval1); System.out.println("string " + startstr1 + " starting from index 4 ? " + returnval2); System.out.println(); }
Output:
www.tutorialandexamples.com starts with examples ? false string examples starting from index 4 ? true