Reverse number

... by Bittle in Programming Help August 17, 2018


Given the number N, print reverse of number N. Note: do not print leading zeros in output.

For example N = 100, Reverse will be 1, not 001

input: input contains a single integer N.

Output: print reverse of integer N.




First reverse the integer, you can do this in various ways, but the easiest would be to transform it into a string, then reverse the string.

Lex x be the integer you want to reverse.

String reversed = new StringBuilder().append(x).reverse().toString();

Since the question asks for no leading zeros you can get that desired output by putting the reversed value back into an integer like so:


Make sure to comment below if this was helpful to you. See you next time.

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