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

Core Java Interview Questions

Questions Answers Views Company eMail

what is Vector class?

2 6091

What are virtual methods?

TCS,

1 4625

What method is used to know the status of Checkbox(i.e it is checked or unchecked)?

1 4565

What are advantages of using Java?s layout managers than windowing systems?

2369

What are Access Specifiers and Access Modifiers.

TCS,

6 21977

What are E and PI?

1 4710

What are listeners in java and explain ?

TCS,

2 8699

What are packages and name a few?

4 6543

primitive data types in Java ?

3 6830

What problems will occur when you don?t use layout managers?

1 3601

What are the limitations for static method?

Greenwood,

3 31535

What are the restrictions imposed by a Security Manager on Applets?.

2612

Name the runtime exceptions that occurs frequently?

4 7171

What services that container provides?

2 5171

Name the types of 'priority'?

2 8089

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Un-Answered Questions { Core Java }

Explain thread in java?

1161

When will we use them?

1047

How to optimize the javac output?

1016

Have you ever used hashtable and dictionary?

1012

Explain the difference between call by refrence and call by value?

1018

Does constructor return any value?

1022

Give a brief description of java socket programming?

960

How many boolean functions are there?

957

What is java util collection?

1081

how to create constants in java?

1078

Are functions objects in java?

1072

What are methods?

1020

Which class is the superclass of all classes?

1106

Where can I find jdk in my computer?

966

Does string is thread-safe in java?

1081

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