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Python

JavaScript

Java

C++

​x
 
x = 3print(type(x))​#Python

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const x = 3;console.log(typeof x);​//JavaScript

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public class Main {  public static void main(String[] args) {    int x = 3;    System.out.println(((Object)x).getClass().getName());  }}​//Java

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#include <iostream>using namespace std;​int main() {  int x = 3;  cout << typeid(x).name();    return 0;}​//C++

Python result:

JavaScript result:

Java result:

CPP result:

<class 'int'>

number

java.lang.Integer

i