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Core Java Interview Questions
Questions Answers Views Company eMail

system.out.println(1 + 3);

 8 9239

posted in online test

 1 2608

if am have 100 threads(for ex:T1,T2---T100) how we give priority to these threads and how the system excute these threads

 2 4037

What is the multilevel inheritance. and also give the Example of it ?

 5 8162

Can Anybody tell the diff b/w jdk1.6 and latest version.

 2 3592

why java does compile time polymorphism at run time ?

CTS, TCS,

6 13147

what is the use of clone() in real time scenario?

Quinnox,

2 16469

what is the use of thread?Justify it by project point of view

 7 6540

why java does not contain pointers?

Infosys, TCS,

13 13719

can we write program without class

TCS,

6 9568

I want to run a simple hello world java (HelloWorld.java) program using a batch file. How can i run it and how to construct a batch file.

Infosys,

1 8053

what is AWT

3 4395

What happens when a class is made static like if a field or member is made static it becomes class variable and is shared by all the object of the class?

 1 2720

how to accept integer array in java

Tech Guru,

2 3970

how to print hello world every second till i have pressed enter key ???

SAP Labs,

1 6229

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Un-Answered Questions { Core Java }

What is the difference between superclass and subclass?

532

What is string in java with example?

475

What are the fileinputstream and fileoutputstream?

560

What are the differences between graph and tree?

634

What was java originally called?

495




Can you sort a string in java?

480

What is the benefit of lambda expressions?

479

What are the java ide’s?

561

If a method is declared as protected, where may the method be accessed in java programming?

483

What are serialization and deserialization?

706

How do you escape a string?

493

How to reverse a string in java?

511

What exactly is methodology?

468

What is the difference between length and length() method in java?

631

Have you ever used hashtable and dictionary?

560

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