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 7818

What are parent methods and how can you call them?

2 4337

explain about casting of objects?

5 8945

How to connect to a remote database using Applet?

2547

How to convert a string to long?

2 7286

How can you debug the Java code?

BirlaSoft,

6 18336

How can you eliminate duplicates?

2 4475

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

2 6948

How to implement a multithreaded applet?

2673

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

3 8659

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

2 7001

How to print nodes of a Binary tree?

2251

How to transfer data from an Applet to Servlet ?

1 5953

How can you reverse a string?

8 10765

How can you take string into InputStream?

3 6508

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Un-Answered Questions { Core Java }

How do you sort arraylist in descending order?

1021

Can java arraylist hold different types?

1076

Should database connections be singleton?

963

What are the steps involved to write rmi based programs?

1019

What is difference between fail-fast and fail-safe?

1240

Which keyword specify that a variable is effectively final ?

994

What is private public protected in java?

1034

What access modifiers can be used for variables?

1150

What is parsing and its types?

1109

What is purpose of applet programming?

1188

Why Java doesn’t support multiple inheritance?

1043

Explain about exception propagation?

1035

What are three ways in which a thread can enter the waiting state in java programming?

1165

What do you mean by stream pipelining in java 8?

1229

how we can create packages in java?

967

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