Functional programming capabilities focus on _______________—not modifying the data source being processed or any other program state.

Answer the following questions true (T) or false (F)

1. If an int is added to a float, the result will be an int. 2. A default constructor requires at least one parameter in order to compile correctly. 3. All Java classes must contain a method called main.

In a 2-3 tree, ______.

a) all internal nodes have 2 children b) all internal nodes have 3 children c) all leaves are at the same level d) all nodes have 2 data items