5-

The following class declaration statement:

class Bus extends Vehicle implements Transportation { . . .} is valid in Java.

Select one:

True

False

6-

All of the following methods can be defined in one single interface:

default void printContent(T[] objects)

{

for(T t:objects)

{

System.out.println(t.toString());

}

}

default void printContent(ArrayList objects)

{

for(T t:objects)

{

System.out.println(t.toString());

}

}

default void printContent(HashMap objects)

{

for(HashMap.Entry entries: objects.entrySet())

{

System.out.println("Key = " + entries.getKey() + " , Value = " + entries.getValue());

}

}

Select one:

True

False

7-

You can create a HashMap with the following (Key,Value) pair in Java:

HashMap computersInFile=new HashMap();

Select one:

True

False

8-

Time left 1:56:28

Question 8

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Question text

In the following statement:

public abstract class Vehicle extends DD implements Car{ . . . }

DD must implement all non-default methods in Car interface.

Select one:

True

False