farm.java

This is the inheritance model in java.

package company;

import company.equipment.*;
import company.animal.*;
import company.animal.nofeet.*;
import company.animal.feet.*;


public class Farm extends Company {

	private Animal[] animal = new Animal[3];
	private Equipment[] equipment = new Equipment[2];
	private int counter = 0;
	private int counter1 = 0;
	private int counter2 = 0;
	
	public Farm(String name, String type){
		super(name, type);
	}
	public void setAnimal(Animal animal){
		int i = 0;
		boolean chickenFound = false;
		boolean cowFound = false;
		boolean fishFound = false;
		for (int counter1 = 0; counter1 < this.animal.length; counter1++) {
			
			if (this.animal[counter1] != null){
				if (this.animal[counter1] instanceof Chicken){
					chickenFound = true;
				}
				else if (this.animal[counter1] instanceof Cow){
					cowFound = true;
				}
				else if (this.animal[counter1] instanceof Fish){
					fishFound = true;
				}
			}
		}
		while (this.animal[i] != null && i < this.animal.length){
			i++;
		}
		if (animal instanceof Chicken && chickenFound == false){
			this.animal[i] = animal;
		}
		if (animal instanceof Cow && cowFound == false){
			this.animal[i] = animal;
		}
		if (animal instanceof Fish && fishFound == false){
			this.animal[i] = animal;
		}
	}
	public Animal[] getAnimal(){
		return this.animal;
	}	
	public Animal getChicken(){
		int i;
		for(i = 0; i < this.animal.length; i++){
			if (this.animal[i] instanceof Chicken){
				break;
			}
		}
		return this.animal[i];
	}
	public Animal getCow(){
		int i;
		for(i = 0; i < this.animal.length; i++){
			if (this.animal[i] instanceof Cow){
				break;
			}
		}
		return this.animal[i];
	}
	public Animal getFish(){
		int i;
		for(i = 0; i < this.animal.length; i++){
			if (this.animal[i] instanceof Fish){
				break;
			}
		}
		return this.animal[i];
	}
	

	public void setEquipment (Equipment equipment) {
		boolean equipmentFound = false;
		if (this.equipment[0] == null) {
			this.equipment[0] = equipment;
		}
		else{ 
			for (int i = 0; i < this.equipment.length; i++) {
				if (this.equipment[i] != null) {
					if (this.equipment[i] instanceof Tractor && this.equipment[i].getBrand() != equipment.getBrand() || this.equipment[i].getType() != equipment.getType()) {
						equipmentFound = true;
					}
					else if (this.equipment[i] instanceof FishingNet && this.equipment[i].getBrand() != equipment.getBrand() || this.equipment[i].getType() != equipment.getType()) {
						equipmentFound = true;
					}
				}
			}
			if (equipmentFound == true) {
				this.counter2++;
				this.equipment[this.counter2] = equipment;
			}
		}
	}
	
	public Equipment getTractor(String type, String brand) {
		int i;
		for(i = 0; i < this.equipment.length; i++) {
			if (this.equipment[i] instanceof Tractor && this.equipment[i].getType() == type && this.equipment[i].getBrand() == brand) {
				break;
			}
		}
		return this.equipment[i];
	}

	public Equipment getFishingNet(String type, String brand) {
		int i;
		for(i = 0; i < this.equipment.length; i++) {
			if (this.equipment[i] instanceof FishingNet && this.equipment[i].getType() == type && this.equipment[i].getBrand() == brand) {
				break;
			}
		}
		return this.equipment[i];
	}
	
	public Equipment[] getEquipment(){
		return this.equipment;
	}
	public String getAnimalInfo(){
		String info = "";
		for(int i = 0; i < this.animal.length; i++){
			if (this.animal[i] != null){
				if (this.animal[i] instanceof Chicken){
					info = info + (((Chicken)this.animal[i]).getInfo());
				}
				else if (this.animal[i] instanceof Cow){
					info = info + (((Cow)this.animal[i]).getInfo());
				}
				else {
					info = info + (((Fish)this.animal[i]).getInfo());
				}
			}
		}
		return info;
	}	
	
	public String getEquipmentInfo(){
		String info = "";
		for(int i = 0; i < this.equipment.length; i++){
			if (this.equipment[i] != null){
				if (this.equipment[i] instanceof Tractor){
					info = info + (((Tractor)this.equipment[i]).getInfo());
				}
				else { 
			
					info = info + (((FishingNet)this.equipment[i]).getInfo());
				
			  }	
			}
		}
		return info;
	}	
}