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 7003

What are parent methods and how can you call them?

2 3912

explain about casting of objects?

5 8183

How to connect to a remote database using Applet?

2334

How to convert a string to long?

2 6743

How can you debug the Java code?

BirlaSoft,

6 17164

How can you eliminate duplicates?

2 4126

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

2 6427

How to implement a multithreaded applet?

2496

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

3 8193

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

2 6584

How to print nodes of a Binary tree?

2084

How to transfer data from an Applet to Servlet ?

1 5570

How can you reverse a string?

8 9799

How can you take string into InputStream?

3 5966

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Un-Answered Questions { Core Java }

What are variable names?

791

What is entry in java?

863

What is canonical name in java?

900

Can we rethrow the same exception from catch handler?

866

In a class implementing an interface, can we change the value of any variable defined in the interface?

807

What is the significance of continue jump statement? Explain with an example.

1114

When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?

829

How do you sort words in java?

786

Is a method a procedure?

855

What is the difference between preemptive scheduling and time slicing?

899

Is cout buffered?

955

Is integer passed by reference in java?

845

How many bits is size_t?

795

Explain the difference between an object-oriented programming language and object-based programming language?

822

What is difference between static and abstract class?

849

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