Convert java to c++

public class Main {
    public static void main(String[] args) {
   // write your code here
        int j = 1;
        for(int k = 5; k >= 1; k--){
            for (int d = 1; d < k; d++ ){
                System.out.print(j+ " ");
                j += 1;
            }
            System.out.println();
        }
    }
}

Convert java to c++

package no2;
import javax.swing.JOptionPane;
public class nama {
     public static void main(String[]args){
         String a = JOptionPane.showInputDialog("Masukkan nama :");
         String b = JOptionPane.showInputDialog("Masukkan jumlah angka :");
         String hasil ="";
         for(int i=0;i<Integer.parseInt(b);i++){
             hasil +="nama : "+a+"\n";
         }
      
         JOptionPane.showMessageDialog(null,hasil);
         
                
             
         }
        }

Convert java to c++

public class Main {
    public static void main(String[] args) {
   // write your code here
        int j = 1;
        for(int k = 5; k >= 1; k--){
            for (int d = 1; d < k; d++ ){
                System.out.print(j+ " ");
                j += 1;
            }
            System.out.println();
        }
    }
}

Convert java to c++

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;

public class CountNoOfElements{

    public static void main(String args[]) throws Exception {
        String filepath = "test.xml";
        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
        Document doc = docBuilder.parse(filepath);

        NodeList nodeList = doc.getElementsByTagName("*");
        int count = nodeList.getLength();
        System.out.println("Total of elements : " + count);
    }   
}

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What went wrong: Execution failed for task ':app:processDebugMainManifest'. > Unable to make field private final java.lang.String java.io.File.path accessible: module java.base does not "opens java.io" to unnamed module @1ce90e66
Java