java.lang.Object
g2701_2800.s2710_remove_trailing_zeros_from_a_string.Solution

public class Solution extends java.lang.Object
2710 - Remove Trailing Zeros From a String.

Easy

Given a positive integer num represented as a string, return the integer num without trailing zeros as a string.

Example 1:

Input: num = “51230100”

Output: “512301”

Explanation: Integer “51230100” has 2 trailing zeros, we remove them and return integer “512301”.

Example 2:

Input: num = “123”

Output: “123”

Explanation: Integer “123” has no trailing zeros, we return integer “123”.

Constraints:

  • 1 <= num.length <= 1000
  • num consists of only digits.
  • num doesn’t have any leading zeros.
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    java.lang.String
    removeTrailingZeros(java.lang.String num)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • removeTrailingZeros

      public java.lang.String removeTrailingZeros(java.lang.String num)