Tuesday, March 31, 2015

Split String to array with whitespace

Example to split String to String array, by whitespace. And also join String array to String.


package javasplitestring;

import java.util.Scanner;

/**
 * @web http://java-buddy.blogspot.com/
 */
public class JavaSpliteString {

    public static void main(String[] args) {
        String original;
        Scanner scanner = new Scanner(System.in);

        System.out.println("Enter a string:");
        original = scanner.nextLine();
        
        //split String to array splited with whitespace regex
        String[] splittedStringArray = original.split("\\s+");
        System.out.println("length = " + splittedStringArray.length);
        
        for(String s : splittedStringArray){
            System.out.println(s);
        }
        
        //Join the String array to a String using StringBuilder
        StringBuilder stringBuilder = new StringBuilder();
        for(String s : splittedStringArray){
            stringBuilder.append(s);
        }
        System.out.println(stringBuilder);
    }
    
}

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