Solution (leetcode-in-java 1.23 API)

java.lang.Object
- g0301_0400.s0367_valid_perfect_square.Solution

```
public class Solution
extends Object
```
367 - Valid Perfect Square.
Easy

Given a positive integer num, write a function which returns True if num is a perfect square else False.

Follow up: Do not use any built-in library function such as sqrt.

Example 1:

Input: num = 16

Output: true

Example 2:

Input: num = 14

Output: false

Constraints:
- 1 <= num <= 2^31 - 1

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Solution()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean isPerfectSquare(int num)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Solution
```
public Solution()
```

Method Detail

isPerfectSquare

public boolean isPerfectSquare(int num)