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Core Java Interview Questions
Questions Answers Views Company eMail

write a program to create an vector with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

1466

write a program to create an arraylist and listeterator.and value should be enter through keyboard.

Axcend,

1 3130

write a program to create an vector and listeterator.and value should be enter through keyboard.

Axcend,

1 2892

What will happen if we write code like: try{}catch(exception e)catch(IOException i)

CTS, TCS,

6 9086

How could Java classes direct program messages to the system console, but error messages, say to a file?

2 8056

Is Java Class Threadsafe ????? How to make Java class Thread safe??

Cognizant,

2 6944

why java does not have operator overloading?

2 4784

difference between java ,c#&java,c++

 3 4341

What is diffrance between FINALIZE() & FINALLY ?

Infosys,

2 4264

how we can write the string concatenation program in java.

 3 5630

give me the answer of this code class A extnds String This code we can write r not in Java? Explain?

 4 4810

is set interface synchronized by default???

Manhattan,

2 6720

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

TCS,

2 3763

who can i handle multiple client in RMI

 1429

what is difference betwenn Access Specifier and Access Modifier ????

 2 3999

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Un-Answered Questions { Core Java }

Why do we use string?

567

What do you mean by formatting?

532

What is number data type in java?

539

Is empty set an element of empty set?

589

Can we write method inside a method in java?

513




Is zero a positive integer?

521

Why singleton pattern is better than creating singleton class with static instance?

523

How do I get the | symbol on my keyboard?

577

What is module in oop?

555

What is the difference between an argument and a parameter?

523

What are the different collection views provided by maps?

549

What is the meaning of flag day?

527

Give a brief description of java socket programming?

510

what is encapsulation in java? Explain

652

What is an eror in java?

548

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