Reverse an array in java using for loop. Run the loop for n/2 times where n is the number of elements in the arraylist. Reverse an Array In Java Using While Loop // find reverse and store to temporary array // initialize iterator variables int i = 0; int j = size-1; while(i < size) { // assign element reverseArr[i] = Two ways to Reverse an Array without Modifying the Original in JavaScript Use reverse() method. Create two empty lists. There are three ways to reverse a number in Java: Reverse a number using while loop. In the first pass, Swap the first and nth element 3. C Program to Reverse an Array Using Function. int length = array.length; for (int i=0;i= 0; i--) { Reverse an array in java using while loop int length = array.length; for(int i=0;i