/*
 * Matric exam number
 */
package antelope;

import javax.swing.JOptionPane;

public class AntelopeUI {

    public static void main(String[] args) {
        String name;
        double price;
        int theIndex;
        AntelopeManager am = new AntelopeManager();
		
		String allRecords = am.displayAll();
		System.out.println(allRecords);
        
        name = JOptionPane.showInputDialog(null,"Find price." + "\n" + "Name of antelope.");
        price  = am.getThePrice(name);
        System.out.println("The price of the antelope is " + price);
        
        name = JOptionPane.showInputDialog(null,"Edit price." + "\n" + "Name of antelope.");
        am.setThePrice(name);
    }
} // end UI class

========================================================

/*
 * Matric number
 */
package antelope;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import javax.swing.JOptionPane;

public class AntelopeManager {
    private Antelope[] antelope = new Antelope[200];
    private int size = 0;
    
public AntelopeManager() {
    
    try {
    Scanner scFile = new Scanner(new File("antelope.txt"));
    size = 0;
			
    while (scFile.hasNext()) {
		String line = scFile.nextLine();
		Scanner scLine = new Scanner(line).useDelimiter(",");
                
		String name = scLine.next();
                String colour = scLine.next();
		double price = scLine.nextDouble();
		boolean isProtected = scLine.nextBoolean();
                
		antelope[size] = new Antelope(name, colour,price,isProtected);
		size++;
    } // end while
			
} catch (FileNotFoundException ex) {
        JOptionPane.showMessageDialog(null, "Error! File not found");
        System.exit(0);
        } // end catch 
    } // end constructor

// Display all the records
public String displayAll(){
    
    String output = "";
    for (int i = 0; i < size; i++){
        output = output + (antelope[i].toString() + "\n");
    }
    return output;
    
} // end displayAll

// Teaching only method to show "how to search"
public int searchAntelope(String n){
    String name = n;
    int theIndex = 0;
    for (int i = 0; i < size; i++){
        if (antelope[i].getName().equals(name)){
            theIndex = i;
            break; // No need to search further
    }
}
    return theIndex;
} // end searchAntelope

// The the price of a specific antelope
public double getThePrice(String n){
    String name = n;
    double price = 0.0;
    int theIndex = 0;
    for (int i = 0; i < size; i++){
        if (antelope[i].getName().equals(name)){
            theIndex = i;
            price = antelope[i].getPrice();
            break; // No need to search further
        }
        
    } // end loop
    return price;
} // end getThePrice

// Edit the price of a specific antelope
public void setThePrice(String n){
    String name = n;
    double price = 0.0;
    double newPrice = 0.0;
    int theIndex = 0;
    for (int i = 0; i < size; i++){
        if (antelope[i].getName().equals(name)){
            theIndex = i;
            String newPriceSt = JOptionPane.showInputDialog("Enter new price for " + name);
            newPrice = Double.parseDouble(newPriceSt);
            antelope[i].setPrice(newPrice);
            break;
        }
        
    } // end loop
    System.out.println("The price of the antelope " + name + " has been updated to " + newPrice);
} // end setThePrice

} // end class

==========================================================

/*
 * Matric number
 */
package antelope;

public class Antelope {
    
    private String name;
    private String country;
    private String colour;
    private double price;
    private boolean isProtected; 
    private String details;
    
    // Constructor method
    public Antelope(String n, String c, double p, boolean pr) {
        name = n;
        
        int space = name.indexOf(" ");
        String country = name.substring(space + 1);
        
        if (country.equals("ZA"))
            country = "South Africa";
        else if (country.equals("NM"))
            country = "Nambia";
        else if (country.equals("ZM"))
            country = "Zambia";
        else if (country.equals("BO"))
            country = "Botswana";
        else if (country.equals("MZ"))
            country = "Mozambique";
        else {
            System.out.println("Error");
            System.exit(0);
        }
        
        colour = c;
        price = p;
        isProtected = pr;
    }
    
    public String getName(){
        return name;
    }
    
    public double getPrice() {
            return price;
    }
    public void setPrice(double p){
        price = p;
    }
    
    public String toString(){
        details = name + "\t" + country + "\t" + colour + "\t" + price + "\t" + isProtected;
        return details;
    }
}

==========================================

impala ZA,brown,5000,false
impala BO,brown,5000,false
impala MZ,brown,7000,false
eland ZA,grey,35000,false
eland NM,grey,55000,true
sable ZA,black,65000,true
sable BO,grey,75000,true
sable ZM,black,85000,true
duiker ZA,blown,1000,false
duiker MZ,brown,2000,true
duiker ZM,brown,3000,false
gemsbok NM,white,50000,true

====================================