/*
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 * and open the template in the editor.
 */

package javaapplication3;

/**
 *
 * @author pensyarah
 */
public class Student {
	private String fName;
	private  String lName;
	private  String matricNo;
	private  int age;
	private  double GPA;

	private static int countNoOfStudent = 0;

	public static int getCountNoOfStudent()
        {
            return countNoOfStudent;
        }

	public Student()
	{
		age = 20;
		countNoOfStudent++;
	}

	public Student (String fName , String l, String m, int a)
	{
		this.fName = fName ;	

		lName= l;
		matricNo= m;
		age = a;

		countNoOfStudent++;
	}

	public Student (String f, String l, String m)
	{
		//fName = f;	
		//lName= l;
		//matricNo= m;
		//this();

		this(f, l, m, 20);
		
	}


	//setter methods    
	public void setFName(String f) {
		fName = f;
	}

	public void setLName(String l) {
		lName= l;
	}

	public void setMatricNo(String m) {
		matricNo= m;
	}

	public void setAge(int a) {
		if (a < 0)
			System.out.println("Invalid age");
		else
			age= a;
	}

	public void setGPA(double g) {
		GPA= g;
	}

	//getter methods
	public String getFName()
	{
		return fName;
	}

	public String getLName()
	{
		return lName;
	}

	public String getMatricNo()
	{
		return matricNo;
	}

	public int getAge()
	{
		return age;
	}

	public double getGPA()
	{
		return GPA;
	}
   
	public double calculateGPA()
	{
		//put the formula here
		return 0.0;
	}

	public void displayAllInfor()
	{
		System.out.println("First Name" + fName + " ");
		System.out.println("Last Name" + lName + " ");
		System.out.println("Matric Number" + matricNo + " ");
		System.out.println("Age" + age + " ");
		System.out.println("GPA" + GPA + " ");
	}

	public String toString()
	{
		String str = "";
		str += "First Name: " + fName + "\n";
		str += "Last Name: " + lName + "\n";
		str += "Matric Number: " + matricNo + "\n";
		str += "Age: " + age + "\n";
		str += "GPA: " + GPA + "\n";

		return str;

	}
  
}