Urgent: How to convert java program into J2ME????

import java.io.*;
import java.util.Random;
 
public class math
{
@SuppressWarnings("deprecation")
public static void main (String[] args)throws IOException
{
DataInputStream stdin = new DataInputStream (System.in);
if (stdin == null){
	System.out.println("Please Insert Valid number");
}
 
Random generator = new Random();
int num1;
int num2;
double guess;
double answer;
String string1;
String Quesno;
int incno = 1;
int count = 1;
int score = 0;
 
try{
while (count < 11){
 
char[] st = new char[]{'+','-','*'};
int r = generator.nextInt(st.length);
 
num1 = generator.nextInt(10); //Gets random num1
 
num2 = generator.nextInt(10); //Gets Random num2
 
char randomChar = st[r];
 
Quesno = "Question Number " + incno + " : ";
System.out.println (Quesno + num1 + randomChar+ num2);
incno++;
 
if (randomChar == '*'){
answer = (num1*num2);
}
else if (randomChar == '/'){
	answer = (num1/num2);
}
else if (randomChar == '-'){
	answer = (num1 - num2);
}
else
answer = (num1+num2);
 
string1 = stdin.readLine();
guess = Double.parseDouble(string1);
 
if (guess == answer)
{ 
System.out.println("Correct, Question (1) answer is " + answer);
score ++;
} 
else
{ 
System.out.println("Wrong Answer, it is "+answer+" Guess again");
} 
count++;
}
	
System.out.println ("END of Questions");
System.out.println ("Your Score is "+score+"/10");
 
			}catch (EOFException e){
		}
	}
}

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