Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Can we declare variables inside a method as Final Variables?

3 12578

Can you call a constructor within a constructor?

7 15686

Can you declare a static variable in a method?

7 17263

How the elements are organized in GridLayout?

2 5141

How are this and super used?

IBM,

7 12338

How are this() and super() used with constructors?

9 19802

Without creating a new object, How you can retrieve a String or other object?

1 5291

How GUI component handle its own events?

1 5337

How you can create a radio buttion using Checkbox class?

1 4970

Can an unreachable object become reachable again?

DELL,

3 22410

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

1 4630

How to add and remove nodes in Jtree?

1 3332

What is deadlock and how to avoid this?

2 6618

How to avoid the runtime exception ?

2 10201

How the elements are organized in BorderLayout?

5 8731

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Un-Answered Questions { Core Java }

write a program that list all permutations of ABCDEF in which A appears before B?

2491

Is vector thread safe in java?

1060

What is the difference between C++ and Java and your preferences?

1113

What is use of static in java?

1176

What is the constructor?

1061

How many characters is 2 bytes?

996

What do you understand by casting in java language?

1031

What is split return?

1007

What is a arraylist in java?

1075

What is methodological theory?

997

What is the use of keywords in java?

982

What is the effect of keeping a constructor private?

951

What is integer parseint?

996

What is the size of string?

1094

What are decalarations?

1127

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