void linux java

#include <iostream>
#include <cstdlib>

using namespace std;

int main() {
    // Step 1: Declare a void pointer
    void* ptr;

    // Step 2: Allocate memory for an integer
    ptr = malloc(sizeof(int));

    // Step 3: Check if memory allocation is successful
    if (ptr == nullptr) {
        cerr << "Memory allocation failed." << endl;
        return 1;
    }

    // Step 4: Cast the void pointer to an integer pointer
    int intPtr = static_cast<int>(ptr);

    // Step 5: Assign a value to the allocated integer
    *intPtr = 42;

    // Step 6: Display the value of the allocated integer
    cout << "The value of the allocated integer is: " << *intPtr << endl;

    // Step 7: Deallocate the allocated memory
    free(ptr);

    return 0;
}