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 7796

What are parent methods and how can you call them?

2 4317

explain about casting of objects?

5 8917

How to connect to a remote database using Applet?

2538

How to convert a string to long?

2 7268

How can you debug the Java code?

BirlaSoft,

6 18308

How can you eliminate duplicates?

2 4461

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

2 6924

How to implement a multithreaded applet?

2666

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

3 8624

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

2 6975

How to print nodes of a Binary tree?

2247

How to transfer data from an Applet to Servlet ?

1 5942

How can you reverse a string?

8 10708

How can you take string into InputStream?

3 6493

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Un-Answered Questions { Core Java }

How to calculate the length of a singly linked list in java?

1025

Explain the transient field modifier?

1037

What is the synonym of procedure?

1110

How are the elements of a gridbaglayout organized?

1057

Explain the purpose of garbage collection in Java?

1023

Why there are some null interface in java? What does it mean?

1123

What is the purpose of using bufferedinputstream and bufferedoutputstream classes?

1063

How do you use compareto in java?

969

Define jre i.e. Java runtime environment?

1004

Can we use switch statement with strings?

1042

What about anonymous inner classes in java?

1031

Which method cannot be overridden in java?

988

Explain the key functions of data binding?

1015

What is Java Reflection API? Why it’s so important to have?

1155

Is main is a keyword?

996

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