public class Drink { private int size, amount; public Drink(int size) { this.siz

Question

public class Drink {
private int size, amount;

public Drink(int size) {
this.size = size;
this.amount = size;
}

public int sip() {
amount–?–;
return amount;
}

public int gulp(int n) {
for (int i = 0; i < n; i++) {
sip();
}
return amount;
}

public int refill() {
amount = size;
return amount;
}
}

1) Choose a sequence of statements that prints –2. Do not include unneeded statements

a) Drink drink1 = new Drink(12);

b) Drink drink1 = new Drink(16);

c) int n = 7;

d) int n = 13;

e) int r = drink1.gulp(n);

f) if (r <= 0) r = drink1.refill();

g)r = drink1.sip();

h) System.out.print(r);

2) Choose a sequence of statements that prints 36. Do not include unneeded statements.

a)Drink drink1 = new Drink(12);

b) Drink drink1 = new Drink(16);

c) Drink drink2 = new Drink(32);

d) Drink drink2 = drink1;

e) drink1.gulp(2);

f) drink2.gulp(drink1.sip() / 2);

g) int r = drink1.sip() + drink2.sip();

h) System.out.print(r);

3) Choose a sequence of statements that prints 38. Do not include unneeded statements

a)Drink drink1 = new Drink(12);

b) Drink drink1 = new Drink(16);

c) Drink drink2 = new Drink(32);

d) Drink drink2 = drink1;

e) drink1.gulp(2);

f) drink2.gulp(drink1.sip() / 2);

g) int r = drink1.sip() + drink2.sip();

h) System.out.print(r);

4) Choose a sequence of statements that prints 37. Do not include unneeded statements.

a)Drink drink1 = new Drink(12);

b) Drink drink1 = new Drink(16);

c) Drink drink2 = new Drink(32);

d) Drink drink2 = drink1;

e) drink1.gulp(2);

f) drink2.gulp(drink1.sip() / 2);

g) int r = drink1.sip() + drink2.sip();

h) System.out.print(r);

5) Choose a sequence of statements that prints 11. Do not include unneeded statements.

a)Drink drink1 = new Drink(12);

b) Drink drink1 = new Drink(16);

c) Drink drink2 = new Drink(32);

d) Drink drink2 = drink1;

e) drink1.gulp(2);

f) drink2.gulp(drink1.sip() / 2);

g) int r = drink1.sip() + drink2.sip();

h) System.out.print(r);

Explanation / Answer

1. a, d, e, g, h

2. a, c, f, g, h

3. b, c, f, g, h

4. b, c, e, f, g, h

5. b, d, e, f, g, h

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