Interview Questions Answers in Core Java

Explain about global variables in Java?

Answer

Global variables are not possible in java because the
concept of Encapsulation is eliminated here.it is not in
the main() method where we declare variables.

Is This Answer Correct ?

5 Yes

8 No

Question { DELL, 20157 }

Can an unreachable object become reachable again?

Answer

Yes, an unreachable object may become reachable again.This
happens when the object's finalize() method is invoked and
the objct performs an operation which causes it to become
accessible to reachable objects.

Is This Answer Correct ?

19 Yes

1 No

Question { 3955 }

Can applet in different page/s communicate with each other?

Answer

1.Socket communication
2.RMI communication
3.HTTP communication.

Is This Answer Correct ?

1 Yes

0 No

Question { 6370 }

How the elements are organized in BorderLayout?

Answer

The elements in BorderLayOut are organised at the borders
(NORTH, SOUTH, WEST,EAST)

Is This Answer Correct ?

0 Yes

0 No

Question { 6370 }

How the elements are organized in BorderLayout?

Answer

The elements in BorderLayOut are organised at the borders
(NORTH, SOUTH, WEST,EAST)

Is This Answer Correct ?

0 Yes

0 No

Question { 6370 }

How the elements are organized in BorderLayout?

Answer

The elements in BorderLayOut are organised at the borders
(NORTH, SOUTH, WEST,EAST)

Is This Answer Correct ?

0 Yes

0 No

Question { 6370 }

How the elements are organized in BorderLayout?

Answer

The elements in BorderLayOut are organised at the borders
(NORTH, SOUTH, WEST,EAST)

Is This Answer Correct ?

0 Yes

0 No

Question { 5748 }

How the elements are organized in CardLayout?

Answer

They are organised one over the other like a deck of cards.

Is This Answer Correct ?

2 Yes

0 No

Question { 5748 }

How the elements are organized in CardLayout?

Answer

They are organised one over the other like a deck of cards.

Is This Answer Correct ?

2 Yes

0 No

Question { 5748 }

How the elements are organized in CardLayout?

Answer

They are organised one over the other like a deck of cards.

Is This Answer Correct ?

1 Yes

0 No

Question { 5748 }

How the elements are organized in CardLayout?

Answer

They are organised one over the other like a deck of cards.

Is This Answer Correct ?

1 Yes

0 No

Question { 6958 }

explain about casting of objects?

Answer

Casting betrween object references is to refer to a object
compatible by class or interface or array type reference.

Is This Answer Correct ?

8 Yes

4 No

Question { 6958 }

explain about casting of objects?

Answer

Casting betrween object references is to refer to a object
compatible by class or interface or array type reference.

Is This Answer Correct ?

4 Yes

1 No

Question { 6958 }

explain about casting of objects?

Answer

Casting betrween object references is to refer to a object
compatible by class or interface or array type reference.

Is This Answer Correct ?

7 Yes

1 No

Question { 6958 }

explain about casting of objects?

Answer

Casting betrween object references is to refer to a object
compatible by class or interface or array type reference.

Is This Answer Correct ?

5 Yes

2 No

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