What does the following piece of code do?for (int i = 0; i < arr.length-1; i++){  for (int j = i+1; j < arr.length; j++)  {    if( (arr[i].equals(arr[j])) && (i != j) )    {      System.out.println(arr[i]);    }  }}OptionsPrint the duplicate elements in the arrayPrint the unique elements in the arrayPrints the element with minimum frequnecyPrint the element with maximum frequency

What does the following piece of code do?for (int i = 0; i < arr.length-1; i++){  for (int j = i+1; j < arr.length; j++)  {    if( (arr[i].equals(arr[j])) && (i != j) )    {      System.out.println(arr[i]);    }  }}OptionsPrint the duplicate elements in the arrayPrint the unique elements in the arrayPrints the element with minimum frequnecyPrint the element with maximum frequency

What's the output of the following code?public static void main(String[] args) { int[] vals = {4, 3, 2, 1}; for (int v : vals) { System.out.println(indexOf(vals, v)); }}public static int indexOf(int[] all, int element) { for (int i = 0; i < all.length; i++) { if (all[i] == element) return i; } return -1;}

What is output of the following code:public class Test{ public static void main(String[] args){ int[] x = {120, 200, 016 }; for(int i = 0; i < x.length; i++) System.out.print(x[i] + " "); }

What is the output of the following Java code?public class ArrayComparison { public static void main(String[] args) { int[] arr1 = {1, 2, 3}; int[] arr2 = {1, 2, 3}; int[] arr3 = arr1; System.out.println(arr1 == arr2); System.out.println(arr2 == arr3); }}

What is the output of the following program?  public class Test {   public static void main(String[] args) {     int[][] values = {{3, 4, 5, 1}, {33, 6, 1, 2}};      int v = values[0][0];     for (int row = 0; row < values.length; row++)       for (int column = 0; column < values[row].length; column++)         if (v < values[row][column])           v = values[row][column];      System.out.print(v);   } } Group of answer choices135633