Answers for "what is the output when you print out an arrray in java"

java how to print an array

import java.util.Arrays;

class Scratch{
    public static void main(String[] args){
        int[] arr = new int[3];
        System.out.println( Arrays.toString( arr ));
      	//prints [0, 0, 0]
    }
}

how to print an array in java

System.out.println(Arrays.toString(arr));