public class ParameterPassingTest{ public static void main(String args[]) { Dog fido, spot, rover; int x, y, z; fido = new Dog("Fido"); spot = new Dog("Spot"); x = 6; y = 8; fido.addTrick(); school1(fido, x); school2(spot, x); spot = nextGeneration(fido, y); y = mystery(x); } |
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public static void school1(Dog dog, int n) { dog.train(n); } |
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public static void school2(Dog dog, int n) { n = 4; dog = new Dog("Rover"); dog.train(n); } |
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public static Dog nextGeneration(Dog origDog, int x) { String name = origDog.getName() + " II"; int numTricks = origDog.getTricks() + x; Dog nextDog = new Dog(name); nextDog.train(numTricks); return nextDog; } |
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public static int mystery(int x) { int y = 5 + x; x = y / 3; return x; } } |
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public class Dog { private int tricks; // number of tricks the dog knows private String name; // the dog's name public Dog(String newName) { tricks = 0; name = newName; } public int getTricks() { return tricks; } public String getName() { return name; } public void addTrick() { tricks++; } public void train(int n) { tricks += n; } }