Java

TOPIC 46 – OBJECT ARRAYS

LESSON WORK

QUESTION #2 (SELF-CHECK)

SOLUTIONS

a) What will the array look like in memory after the following statement?

Point[] pts = new Point[6];

Solution:

b) What will the array look like in memory after the following statement?

Point[] pts = {new Point(7,3), new Point(0,4), new Point(1,2)};

Solution:

c) What will the array look like in memory after the following statements?

Point[] pts = new Point[4];

pts[2] = new Point(7,5);

Solution:

d) Write the statement(s) required to create the following Point array in memory.

Solution:

Point[] data = new Point[8];

pts[3] = new Point(7, 2);

pts[5] = new Point(1, -2);

pts[6] = new Point(3, 4);