1. Explain the difference in Java between int and Integer.

2. Write a line of Java code to...

a) Declare an ArrayList of floating point numbers (doubles).

b) Generate a random double in the interval and add it to the ArrayList you created in A.

3. Consider the following Java declarations:

ArrayList list = new ArrayList();

ArrayList x = new ArrayList();

Integer one = new Integer(1);

int two = 2;

Determine whether each line below would COMPILE or cause a COMPILE-TIME ERROR. Briefly explain your reasoning.

a) list.add( two );

b) list.add( one );

c) list.add( one );

d) x.add( one );

e) x.add( two );

f) x.add( one.toString() );

g) x.add( two.toString() );

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