Question

How to merge a String array elements into a String using join() in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            String[] arr = {"java", "c", "c++", "c#"};

            String s = String.join(" - ", arr);
            System.out.println(s);

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}
 
/*
             
run:
       
java - c - c++ - c#
    
 */

 

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