1-

Interfaces are classes that can not be instantiated.

Select one: True False

2-

For the ReadWords class that is used to read the content of a given text file, which of the following represent a valid no-arguments constructor definition?

Select one:

a. None of these

b. public void ReadWords() throws FileNotFoundException { . . . }

c. public ArrayList ReadWords() throws FileNotFoundException { . . . }

d. public ReadWords() throws FileNotFoundException { . . . }

3-

The following is a valid interface definition in Java

public interface Shape {

public double getArea();

public int getPerimeter() { return 3;}

}

Select one: True False

4-

In the following method:

public Specs getSpecs() {

return specs;

}

Select one:

a. specs is a class that references an object of type Specs in memory

b. All of these

c. specs is an object of type Specs in memory

d. specs is a reserved type parameter.