java code to concatinate integer

// CPP program to concatenate 
// two integers into one 
  
#include <iostream> 
#include <string> 
using namespace std; 
  
// Function to concatenate 
// two integers into one 
int concat(int a, int b) 
{ 
  
    // Convert both the integers to string 
    string s1 = to_string(a); 
    string s2 = to_string(b); 
  
    // Concatenate both strings 
    string s = s1 + s2; 
  
    // Convert the concatenated string 
    // to integer 
    int c = stoi(s); 
  
    // return the formed integer 
    return c; 
} 
  
int main() 
{ 
    int a = 23; 
    int b = 43; 
  
    cout << concat(a, b) << endl; 
  
    return 0; 
} 
  
// This code is contributed by Ayush Singla(@ayusin51)