Please answer quickly

1-

Given the following code snippet:

public HashMap copyFromArrayListToHashMap(ArrayList objects)

{

HashMap result=new HashMap<>();

for(int i=0;i

{

result.put(i, objects.get(i));

}

return result;

}

Which of the following method invocation statements is valid in java (knowing that students is an ArrayList of type Student and fp is an object the class where the method copyFromArrayListToHashMap is defined)

a.

HashMap studentsHashMap=fp.copyFromArrayListToHashMap(students);

b.

HashMap studentsHashMap=fp.copyFromArrayListToHashMap(students);

c.

HashMap studentsHashMap=fp.copyFromArrayListToHashMap(students);

d.

HashMap studentsHashMap=fp.copyFromArrayListToHashMap(E);

2-

If a class is declared as abstract, no objects of that class can be created.

Select one:

True

False

3-

The following is a valid interface definition in java:

public interface FileOperator {

default void printContent(T[] objects)

{

for(T t:objects)

{

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

}

}

}

Select one:

True

False

4-

What will be the output of the following program?

abstract class MyFirstClass { abstract num (int a, int b) { } }

Select one:

a.

Method is not defined properly

b.

No Error

c.

Extra parentheses

d.

Constructor is not defined properly

5-

In the following statement:

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

DD can never be an abstract class.

Select one:

True

False