package miscellaneous;

import javax.swing.JOptionPane;
import java.util.Arrays;
import java.util.ArrayList;

public class Ch7 
{
    String[] names = new String[10];
    int[] primes = {2, 3, 5, 7, 11, 13, 17, 19};     
    
    public void array1()
    {
        String[] names = new String[10];
        int size = 0;
        names[0] = "Aanya Tripathi"; size++;
        names[1] = "Vaibhaav Jha"; size++;
        names[2] = "Tyler Nemiroff"; size++;
        names[3] = "Dylan Festa"; size++;
        // following line doesn't work
        // the available slots are 0-9
        //names[10] = "Joe Biden";
        
       System.out.println(Arrays.toString(names));
        
        // example of "for each loop":
        for (String name : names)
            System.out.println(name + " Jan 27"); 
        for (int i : primes)
            System.out.println(i);
        
        // dealing with the fact that names.length
        // doesn't tell you how many slots are filled:
        System.out.println("names.length: " + names.length);
        for (int j = 0; j < size; j++)
           System.out.println(names[j] + " Jan 28");
        
    }
    public void arrayList1()
    {
        ArrayList <String> names1 = new ArrayList();
        // add() puts the new element at the end of the list
        names1.add("Luka Novkovic");
        names1.add("Patrick Turc");
        names1.add("Audrey Feng");
        names1.add("Veronika Bazko");
        names1.add("Martin Brennan");
        names1.add("Sean Dereka");
        names1.add("Michael Schwalje");
        // add(num, elem) adds 'elem' to the list at
        // position 'num':
        names1.add(3, "Nancy Pelosi");
        JOptionPane.showMessageDialog(null,"names: " + names1);
        // size() gives the # of elements in the list:
        JOptionPane.showMessageDialog(null, "# of elements: " + names1.size());
        // get() retrieves an element from the list:
        JOptionPane.showMessageDialog(null,"get element #1: " + names1.get(0));
        // set() overwrites the current element:
        names1.set(3, "Chuck Schumer");
        JOptionPane.showMessageDialog(null,"names: " + names1);
        // remove() deletes an element:
        names1.remove(3);  // OR
        JOptionPane.showMessageDialog(null,"names: " + names1);
        names1.remove("Martin Brennan");
        JOptionPane.showMessageDialog(null,"names: " + names1);
        JOptionPane.showMessageDialog(null,"name: " + names1.get(names1.size()-1));
    }
    
    public void Arrays2D()
    {   String[][] students = new String[210][15];
        students[207][0] = "Aanya";
        students[207][1] = "Dylan";
        students[207][2] = "Patrick";
        students[207][3] = "Veronica";
                
        // set up tic-tac-toe game
        String[][] gameBoard = new String[3][3];
        // example of when someone makes a move:
        gameBoard[1][2] = "X";
        // then the other player plays:
        gameBoard[0][2] = "O";
        // Etc...
                
        
    }
public static void main(String[] args)    
{
    Ch7 c = new Ch7();
    //c.array1();
    //c.arrayList1();
    c.Arrays2D();
}
}