How to print out elements from an array with a comma between elements except the last word?

Question:

How to print out elements from an array with a comma between elements except the last word?

Code:

public class PrintWords {
 
   public static void main(String[] args) {
 
      String[] words = new String[] {"apple","pear","grape","orange"};
 
      System.out.print(words[0]);
      for(int i=1;i<words.length;i++){
      System.out.print("," + words[i]);
      }
      System.out.println();
 
   }
}

Output:

$ java PrintWords 
apple,pear,grape,orange