Reverse Array To reverse an array in Java Programming, you have to ask to the user to enter the array size and then the array elements. Now start swapping the array elements.

Make a variable say temp of the same type. And place the first element in the temp, then the last element in the first, and temp in the last and so on. Java Programming Code to Reverse an Array Following Java Program ask to the user to enter the size of the array then ask to enter the array elements to make the array reverse, then display the reverse of the array on the screen.

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How to reverse a number in Java without using any API or write a simple Java program to reverse a number is asked on fresher level software engineer interviews. Reversing a number is also popular homework questions on many Java programming courses in school, colleges and training institutes. I personally feel java program to reverse number is good programming exercise for someone who is just started learning to program in Java or any other programming language because of its simplicity and a little bit of trickiness which shows how to use operators for programming purposes rather than arithmetic purpose.

In last couple of Java programming tutorial we have seen some basic programming exercises like and, while in this Java tutorial we will see a simple example of Java program to reverse number by just using basic Java operators like division operator(/) and remainder operator(%). Division operator returns quotient while modules or remainder operator% returns the remainder. If you are looking for theoretical java interview question which involves an understanding of concept rather than programming then you may like, and.

But I would say you better horn your programming skills as well by programming Simple programs than moving to tougher one which involves data-structure and designs like and design and code for vending machine in Java which accepts per-defined coin and return per-defined product handling all practical condition like returning change, returning money if product is not there etc.