Suppose r contains a reference to a new rectangle (5, 10, 20, 30). which of the following assignments is legal? (look inside the api documentation to check which interfaces the rectangle class implements.)

a. rectangle a = r;

e. measurable e = r;

b. shape b = r; f. serializable f = r;

c. string c = r; g. object g = r;

d. actionlistener d = r;

Question

Greyson Bowman

Mathematics

5 December, 16:38

Suppose r contains a reference to a new rectangle (5, 10, 20, 30). which of the following assignments is legal? (look inside the api documentation to check which interfaces the rectangle class implements.)

a. rectangle a = r;

e. measurable e = r;

b. shape b = r; f. serializable f = r;

c. string c = r; g. object g = r;

d. actionlistener d = r;

+1

Answers (1)

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Chandler · Answer 1

The legal in this following assignments is no other than e. measurable e = r. It is measurable because r contains a reference to a new rectangle (5, 10, 20, 30). So the interfaces the rectangle class implements is measurable, we really can measure it by solving the rectangle sides.