After working through the exercises, your Computer
, Laptop
, and Smartphone
classes should look similar to the following examples.
The Computer
class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | public class Computer extends AbstractEntity{
// computer is my parent class
private int ram;
private int storage;
private boolean hasKeyboard;
public Computer(int storage, int ram, boolean hasKeyboard) {
super();
this.ram = ram;
this.storage = storage;
this.hasKeyboard = hasKeyboard;
}
public void increaseRAM (int n) {
this.ram = this.ram + n;
}
public void increaseStorage (int x) {
this.storage = this.storage + x;
}
}
|
The Laptop
class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | public class Laptop extends Computer {
private double weight; // laptop weight in pounds.
public Laptop(int storage, int ram, boolean hasKeyboard, double weight) {
super(storage, ram, hasKeyboard);
this.weight = weight;
}
public boolean isClunky() {
if (weight > 5.0) {
return true;
}
else {
return false;
}
}
}
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The SmartPhone
class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | public class SmartPhone extends Computer {
private int numberOfSelfies;
public SmartPhone(int storage, int ram, boolean hasKeyboard, int numberOfSelfies) {
super(storage, ram, hasKeyboard);
this.numberOfSelfies = numberOfSelfies;
}
public void takeSelfie() {
this.numberOfSelfies = this.numberOfSelfies + 1;
}
public int getNumberOfSelfies() {
return this.numberOfSelfies;
}
}
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