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

Core Java Interview Questions

Questions Answers Views Company eMail

How the elements are organized in CardLayout?

5 7823

What are parent methods and how can you call them?

2 4341

explain about casting of objects?

5 8954

How to connect to a remote database using Applet?

2547

How to convert a string to long?

2 7290

How can you debug the Java code?

BirlaSoft,

6 18350

How can you eliminate duplicates?

2 4477

How to find the length and capacity of a string buffer ?

2 6949

How to implement a multithreaded applet?

2677

Can an object be garbage collected while it is still reachable?

3 8664

Can an object?s finalize() method be invoked while it is reachable?

2 7005

How to print nodes of a Binary tree?

2252

How to transfer data from an Applet to Servlet ?

1 5954

How can you reverse a string?

8 10774

How can you take string into InputStream?

3 6513

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Un-Answered Questions { Core Java }

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

1048

How list contains works in java?

985

What is re-factoring in software?

1052

Is string is a data type?

954

What do you understand by overloading and overriding in java?

1084

What is literal example?

953

How to make a read-only class in java?

1168

Explain java code for recursive solution's base case?

1038

What is contractor means and methods?

998

What is the purpose of using break in each case of switch statement?

1029

Does it matter in what order catch statements for filenotfoundexception and ioexception are written?

957

What is the purpose of finalization in java programming?

1029

Where are global variables stored?

959

What’s the difference between the methods sleep() and wait()?

1012

What is jee6?

1109

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