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Q:

Who among the following is known as 'Kipper'

A) Napoleon Bonaparte B) Field Marshal K.M Cariappa
C) Gen. Erwin Rommel D) Younger Pitt
 
Answer & Explanation Answer: B) Field Marshal K.M Cariappa

Explanation:
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Filed Under: Famous Personalities

Q:

Who was the first woman President of the Indian National Congress

A) Annie Besant B) Sarojini Naidu
C) Vijayalakshmi Pandit D) None of these
 
Answer & Explanation Answer: A) Annie Besant

Explanation:
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Filed Under: Famous Personalities

Q:

What is Marker Interface?

Answer

An interface without having any methods and by implementing that interface if our objects will get same ability such type interfaces are called marker interface (or) ability interface (or) tag interface

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Subject: Java
Job Role: IT Trainer

Q:

Inside an interface when should the variables be initialized?

A) Globally B) Whenever required
C) Inside a function D) During the time of declaration
 
Answer & Explanation Answer: D) During the time of declaration

Explanation:

They should be initialized during the time of declaration itself otherwise it is a compilation eror

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Filed Under: Java
Job Role: IT Trainer

Q:

Which of the following statements are equal for a variable declared in the interface ?

1. int X=10
2. public int X=10
3. public static final int X=10

A) Only 1 and 2 are equal B) Only 2 and 3 are equal
C) All are unequal D) All are equal
 
Answer & Explanation Answer: D) All are equal

Explanation:

All the statements are equal because inside an interface a variable declared will be public static final by default 

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Filed Under: Java
Job Role: IT Trainer

Q:

Why interface method is always public?

Answer

To make this method available to every implementation class

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Subject: Java
Job Role: IT Trainer

Q:

Which of the following method declarations are allowed inside interface?

A) public void m1() B) private void m1()
C) protected void m1() D) abstract public void m1()
 
Answer & Explanation Answer: D) abstract public void m1()

Explanation:

Inside an interface every method will be by default abstract and public

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Filed Under: Java
Job Role: IT Trainer

Q:

X implements Y, Z

Arguments:

1. X should be class
2. Y, Z should be interfaces

A) Only 1 is true B) Only 2 is true
C) Both 1 and 2 are true D) None
 
Answer & Explanation Answer: C) Both 1 and 2 are true

Explanation:

Both the statements are true 

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Filed Under: Java
Job Role: IT Trainer