I would like to convert my C++ program to Java, it must run and compile in netbeans.(romanType.h)#include<string>using namespace std;class romanType{public :romanType( string = "" );void setRoman( string );void convertToDecimal();void printRoman();void printDecimal();private:string roman;int decimal;}; // end class definition of romanType(romanType.cpp)#include<iostream>#include "romanType.h"using namespace std;romanType::romanType( string myRoman ){roman = myRoman;decimal = 0;} // end constructor romanTypevoid romanType::setRoman( string myRoman ){roman = myRoman;decimal = 0;} // end function setRomanvoid romanType::convertToDecimal(){char romans[7] = { 'M', 'D', 'C', 'L','X', 'V', 'I'};int decimals[ 7 ] = { 1000, 500, 100,50, 10, 5, 1 };int j, pos;size_t len = roman.length();// process the numeralfor ( unsigned int i = 0; i < len -1; i++ ){// find the roman letterfor ( pos= 0; pos < 7; pos++ )if ( roman.at( i ) == romans[ pos ] )break;// check for validity of the roman letterif ( pos< 7 ){// check the next roman letter's valuefor ( j = 0; j < pos; j++ )if ( roman.at( i + 1 ) == romans[ j ] )break;// add or subtract the dec. val// according to the values of j and posif ( j == pos )decimal += decimals[ pos ];elsedecimal -= decimals[ pos ];}} // endfor// process the last numeralvaluefor ( j = 0; j < 7; j++ )if (roman.at( len - 1 ) == romans[ j ] )break;//add the dec. val of roman letter tothe dec. numberdecimal += decimals[ j ];} // end functionconvertToDecimalvoid romanType::printRoman(){cout << "nntThe roman numeralis " << roman;} // end function printRomanvoid romanType::printDecimal(){cout << "ntThe decimalequivalent of the "<< "given roman numeral is " << decimal;} // end function printDecimal(Main)#include<iostream>#include "romanType.h"using namespace std;int main() // function main beginsprogram execution{// let the user know aboutthe programcout << "nntProgram thatconvert Roman Numeral"<< " into decimal form.";// instantiate object of typeromanTyperomanType r;string rns[ 3 ] = { "CCCLIX","MCXIV", "MDCLXVI" };for ( int i = 0; i < 3; i++){// set the roman numeral stringr.setRoman( rns[ i ] );// convert the roman numeral into decimal formr.convertToDecimal();// print the roman numeralr.printRoman();// print the decimal form of numeralr.printDecimal();} // endforcout << "nnt";system( "pause" );return 0; // indicate program executedsuccessfully} // end of function, main(Here is my Program Assignment)OO Design and OO Implement in JAVA an application that converts a number entered in Roman numerals to decimal form. Your application should consist of a class,romanType. An object of romanType should do the following:a. Store the number as a Roman numeral.b. Convert and store the number into decimal form.c. Print the number as a Roman numeral or decimal number as requested by the user.Write two separate functions— one to print the number as a Roman numeral and the other to print the number as a decimal number.The decimal values of the Roman numerals are:M 1000D 500C 100L 50X 10V 5I 1Remember, a larger numeral preceding a smaller numeral means addition, so LX is 60. A smaller numeral preceding a larger numeral means subtraction, so XL is 40. Anyplace in a decimal number, such as the 1s place, the 10s place, and so on, requires from zero to four Roman numerals.Test your program using the following Roman numerals: MCXIV, CCCLIX, and MDCLXVI.2. Develop, TDD Style, a test plan for romanType class using NetBeans JUNIT3. OO Implement the application in JAVA.