superclass java example

1// Computer.Java Ths is the Super class from whch laptops and Desktops will inherit the attributes of this class
2public abstract class ComputerObject {
3	//Here we declare all of the superclass variables that will be used by both Laptops and desktops
4	//These are attributes of all computers
5	private int usefulLife = 1; 
6	private String stockCode = "XXXXXXXX";
7	private int purchasingCost = 10000;
8	private String staffNumber = "XXXXXXXX";
9	private String serialNumber = "ABCDEFG";
10	private String cpuType = "Multicore Parallel Threading";
11	private int ramAmount = 12;
12	  
13	/**Default construct Need only be present and we do not need any additional constructors except the one below*/
14	 protected ComputerObject() { }
15	 
16	/**Construct a full Computer object. We receive all of the variable information and place them in the correct private variables using our mutators*/
17    /* we use mutators because validation is often done in mutators*/	
18	protected ComputerObject(int usefulLife, String stockCode,int purchasingCost,String staffNumber,String serialNumber ,String cpuType, int ramAmount) { 
19		setUsfulLife(usefulLife);
20		setPurchasingCost(purchasingCost);
21		setRamAmount(ramAmount);
22		setStockCode(stockCode);
23		setStaffNumber(staffNumber);
24		setCpuType(cpuType);
25		setSerialNumber(serialNumber);
26	}
27	 
28	/**Getter/Accessor method for usefulLife*/ 
29	public int getUsfulLife(){
30		return usefulLife; 
31	 }
32	 
33
34	/**Setter/Mutator method for usefulLife*/ 
35	public void setUsfulLife(int usefulLife){
36		this.usefulLife = usefulLife;
37	 } 
38	 /**Getter/Accessor method for purchasingCost*/ 
39	 public int getPurchasingCost(){
40		return purchasingCost; 
41	 }
42	 
43	/**Setter/Mutator method for purchasingCost*/ 
44	public void setPurchasingCost(int purchasingCost){
45		this.purchasingCost = purchasingCost;
46	 } 
47	 
48	 /**Getter/Accessor method for ramAmount*/ 
49	 public int getRamAmount(){
50		return ramAmount; 
51	 }
52	 
53	/**Setter/Mutator method for ramAmount*/ 
54	public void setRamAmount(int ramAmount){
55		this.ramAmount = ramAmount;
56	 } 
57	 
58	 
59	 /**Getter/Accessor method for stockCode*/ 
60	public String getStockCode(){
61		return stockCode; 
62	 }
63	 
64	/**Setter/Mutator method for stockCode*/ 
65	public void setStockCode(String stockCode){
66		this.stockCode = stockCode; 
67	 } 
68	 
69	 
70	  /**Getter/Accessor method for staffNumber*/ 
71	public String getStaffNumber(){
72		return staffNumber; 
73	 }
74	 
75	/**Setter/Mutator method for staffNumber*/ 
76	public void setStaffNumber(String staffNumber){
77		this.staffNumber = staffNumber ;
78	 } 
79
80	 /**Getter/Accessor method for cpuType*/ 
81	public String getCpuType(){
82		return cpuType; 
83	 }
84	 
85	/**Setter/Mutator method for cpuType*/ 
86	public void setCpuType(String cpuType){
87		this.cpuType = cpuType ;
88	 } 
89	 
90	 
91	 
92	  /**Getter/Accessor method for serialNumber*/ 
93	public String getSerialNumber(){
94		return serialNumber; 
95	 }
96	 
97	/**Setter/Mutator method for serialNumber*/ 
98	public void setSerialNumber(String serialNumber){
99		this.serialNumber = serialNumber ;
100	 } 
101	 
102	/**Abstract method AnnualDepreciation*/ 
103	//The implimentations of this method can be found in the Laptop and Desktop sub classes
104	public abstract double AnnualDepreciation(); 
105}
106
107