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Main method must be made static

1

True

2

False

Solution:

File.exists() are used to check whether the file exists or not

1

True

2

False

Solution:

Interface is collection of _______ methods and constants.

1

abstract

2

public

3

private

4

static

Solution:

Which of this method is used for object cloning?

1

Object clone()

2

clone()

3

copy()

4

Object copy()

Solution:

In the following code snippet, which lines of code contain an error?

1

Line 2

2

Line 3

3

Line 1

4

Line 5

Solution:

Which of the following function is used to sort an array

1

Array.sort()

2

Arrays.sort()

3

Collection.sort()

4

Object.sort()

Solution:

How many threads can be executed concurrently in Java?

1

2

3

Only the main thread

4

Multiple threads can be executed concurrently

Solution:

What does HQL stand for?

1

Hibernate Quick Language

2

Hibernate quantity Language

3

Hypertext Query Language

4

Hibernate Query Language

Solution:

What is the process by which we can control the visibility and accessibility of the members of a class?

1

Polymorphism

2

Abstraction

3

Encapsulation

4

Recursion

Solution:

What is aggregation in Java?

1

It can be defined as the relationship between two classes where the aggregate class contains a reference to the class it owns

2

It is best described as a has-a relationship

3

Both (1) & (2)

4

None of the above

Java Questions Set 108:

Main method must be made static

Solution:

File.exists() are used to check whether the file exists or not

Solution:

Interface is collection of _______ methods and constants.

Solution:

Which of this method is used for object cloning?

Solution:

In the following code snippet, which lines of code contain an error?

Solution:

Which of the following function is used to sort an array

Solution:

How many threads can be executed concurrently in Java?

Solution:

What does HQL stand for?

Solution:

What is the process by which we can control the visibility and accessibility of the members of a class?

Solution:

What is aggregation in Java?

Solution:

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