New Programmer Seeks Help...

[verbatrim]

Simple program in retrospect....

i have to make a class list program making use of the arraylist function.

Consists of two classes: Cs30 & Student

Cs30 utilizes Student to add Students to the Cs30 Arraylist.

Now, i can add students easy enough to the array list itself. The problem i am having is displaying all the students. I tried using a simple system.out.println(Cs30.get(x)), but it prints the code for the object.

What i really need is to gain access to a specific student's attributes, assign them to temporary variables, and display them.

So something like:

name = Cs30(x).StudentName

println (name)

OR something like:

Student Test;

Test = Cs30(x)

*at this point, i could use Test's attributes of name name, number, mark etc. to display them*

I tried this earlier but got a "could not resolve symbol" error over and over again.

thanks for any help you can give me.

[NarayanaBuddepu]

Hi,

Maybe you need to write the Student class and then perform the operations in the Cs30 class as shown below.


==============================================
import java.util.*;

public class Cs30
{

private Student list;
private ArrayList studentList;

public Cs30()
{
studentList = new ArrayList();
}

public void addStudent(String name,int number,double marks)
{
list = new Student(name,number,marks);
studentList.add(list);
}

public void getStudent(int number)
{
Student temp = (Student) studentList.get(number);

System.out.println("Name :"+temp.getName());
/*Place all the out statements needed.*/
}

public static void main(String arg[])
{
Cs30 obj = new Cs30();

obj.addStudent("ABC",1,30);
obj.addStudent("DEF",2,30);
obj.addStudent("GHI",3,30);
obj.addStudent("JKL",4,30);

obj.getStudent(1);
}


}


==============================================
public class Student{

private String name;
private int number;
private double marks;

public Student(String name,int number,double marks)
{

this.name = name;
this.number = number;
this.marks = marks;
}

public String getName()
{
return name;
}

public int getNumber()
{
return number;
}

public double getMarks()
{
return marks;
}
}

Still if you have any doubts can mail me. Also, I just made an assumption and penned down the above program and this is not the completely implemented logic. You need to incorporate your own logic here.

Good Luck :-)

Narayana