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 5748

What are parent methods and how can you call them?

2 3340

explain about casting of objects?

5 6959

How to connect to a remote database using Applet?

2036

How to convert a string to long?

2 6041

How can you debug the Java code?

BirlaSoft,

6 15481

How can you eliminate duplicates?

2 3604

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

2 5802

How to implement a multithreaded applet?

2195

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

3 7409

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

2 5939

How to print nodes of a Binary tree?

1749

How to transfer data from an Applet to Servlet ?

1 5044

How can you reverse a string?

8 8417

How can you take string into InputStream?

3 5195

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Un-Answered Questions { Core Java }

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

554

Why string is not thread safe?

526

what is optional in java 8?

545

What are multiple inheritances?

571

Can you extend singleton class?

594

What is an iterator interface in java programming?

521

Which java ide is used the most?

500

What are constants and how to create constants in java?

550

Where and how can you use a private constructor?

526

What are the four pillars of java?

598

What is complexity in java?

511

What is classes in java?

509

What is the meaning of find and replace?

518

Where are the card layouts used?

600

Is java pass by value or pass by reference?

532

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