basic java prog

[ghost ryder]

any suggestions for improvements??

import intro.*;

public class CertificateCheck {

	public static void main(String args[]) {
		CertificateCheck obj = new CertificateCheck();
	  	obj.advise();
		System.exit(0);
	}

	public void advise() {
		int number = 0;
		int marks = 0;
		int get = 0;
		UserDialog ud = new UserDialog();

		//ask user how many practicals
		number = ud.getInt("how many pracs have u attended sucka?:");

		if (number==0)
				ud.showMessage("sorry biatch, u aint gettin **** coz u is a lazy ass fool!!");
		else if (number > 3)
				ud.showMessage("you talkin ****!! there aint more than 3 pracs!!");
		else if (number < 0)
				ud.showMessage("how can you have attended less than 0 pracs?! shut the **** up!");
			else {
				marks = ud.getInt("how many marks have u got sucka?:");
					if (marks < 5)
						ud.showMessage("sorry biatch u aint gettin **** coz u is a dumb ass fool!!");
					else if (marks>=25)
				
						if (number==2)
							ud.showMessage("u got cha certificate. dats dope");
						else
							ud.showMessage("you gotta come 2 tha last prac sucka!!");
			
					else
						ud.showMessage("getcha ass to tha last prac and make up " + get + " marks biaaatch!");
			}
	}
}