Core Java - Interview Questions and Answers for 'Static' | Search Interview Question

Interview Questions and Answers - Order By Newest

Q61. How can you verify if there were interactions with a static method using PowerMock ?

Ans. We can use PowerMockito.verifyStatic for this purpose

PowerMockito.verifyStatic(VerificationModeFactory.times(1));
<Class_Name>.<static_method_name>;

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve mocking static methods}

Related Questions

Have you ever tried mocking static methods ?

Have you ever used PowerMock ? If yes , which mocking framework you have used it with ?

Q62. Can a constructor be declared static ? Why ?

Core Java

Ans. No.

When we declare a method static, it means that "this belongs to class as whole and not particular instance". The whole purpose of constructor is to initialize a object and hence there is no sense having static constructor.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve constructor static static constructor Asked in 1 Companies}

Related Questions

What are the common uses of "this" keyword in java ?

Can we use both "this()" and "super()" in a constructor ?

Why every object constructor automatically call super() in Object before its own constructors?

Can constructors be synchronized in Java ?

Does Constructor creates the object ?

What are constructors and Destructors in Java ?

Are constructors inherited? Can a subclass call the parent's class constructor? When?

Difference between object instantiation and construction ?

How can we create objects if we make the constructor private ?

Difference Between this() and super() ?

Q63. Can the value of a static variable be changed ?

Core Java

Ans. Yes the value of a static variable can be changed. It's the final keyword that restrict the modification of value not static.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve static variables}

Related Questions

Difference between == and .equals() ?

Why is String immutable in Java ?

Explain the scenerios to choose between String , StringBuilder and StringBuffer ?

or

What is the difference between String , StringBuilder and StringBuffer ?

What are the difference between composition and inheritance in Java?

Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs

What is a Lambda Expression ? What's its use ?

What are different ways to create String Object? Explain.

Why Char array is preferred over String for storing password?

Does garbage collection guarantee that a program will not run out of memory?

What is the difference between final, finally and finalize() ?

Q64. What will be the output of executing following class ?

public class BuggyBread {

static {
System.out.println("Static Block");
}

{
System.out.println("Initialization Block");
}

BuggyBread(){
System.out.println("Constructor");
}

public static void main(String[] args){
System.out.println("Main Method");
}
}

Core Java

a. Static Block
Main Method

b. Static Block
Instance Initialization Block
Main Method

c. Static Block
Constructor
Main Method

d. Static Block
Instance Initialization Block
Constructor
Main Method

Ans.a. Static Block
Main Method

Q65. What will be the output upon executing following class ?

public class BuggyBread {

static {
System.out.println("Static Block");
}

{
System.out.println("Instance Initialization Block");
}

BuggyBread(){
System.out.println("Constructor");
}

public static void main(String[] args){
System.out.println("Main Method");
new BuggyBread();
}
}