Core Java Interview Questions
Questions Answers Views Company eMail

Tell me about your ability to work under pressure

AXA,

1759

Hi am an mca graduate . i have done bsc maths in my degree . every company asks me why you make shift from maths group to computere field . What i need to answer?

2 4741

hr interview how many minutes asking question

1558

please send me hr interview questions in it industry

1653

How to Sort Strings which are given in List and display in ascending order without using java api.

LIC,

1 3748

How to Sort list of Strings in ascending order without using java api.

HCL, NIIT,

1 12473

If I will write String s=new String("XYZ"); String s1=new String("XYZ"); if(s.equals(s1)){ sop("True"); } else{ sop("False"); } This program will give me "True". But When I am creating my own class suppose class Employee{ public Employee(String name); } Employee e= new Employee("XYZ"); Employee e1 = neew Employee("XYZ"); if(e.equals(e1)){ sop("True"); } else{ sop("False"); } Then it will give the output as "False". Can I know what is happening internally?

5 7177

aabccdee Find the used alphabets as abcde ?

4 4833

there are N number of matchboxes numbered 1...N.each matchbox contain various number of stick.Two player can alternatevely pick some amount of stick from the higest stick containing box . The player is condidered win if there is no stick after his move.Find the final move so that the move player win. Note:In case the number of stick is equal ,pick the stick from the higest numbered box.

Manhattan,

1563

solve (x-1)(x-9)=8;

IBM, Manhattan, TCS,

3 4379

what type of questions asked for barclays technologies pune please send urgent

5218

take any 4 input numbers. like 2345.. wanted out put is All 16 combinations of the number 2345.. for example- taking input as 4565 output- 5654 4556 4655..

Emphasis,

2 7664

what is object slice?

HTC, TCS,

2 7260

Java does not support multiple inheritance. how interface helps in the same?

TCS,

5 8045

why abstract class does not have object creation

Value Labs,

6 10672


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Un-Answered Questions { Core Java }

How does callback work in java?

597


What is multithreading and its advantages?

562


What are methods of a class?

536


What is oop principle in java?

542


What do you know about the garbate collector?

590






Explain the hierarchy of java exception classes?

585


Can we execute a program without main?

526


When can you say a graph to be a tree?

625


How do you declare an array that will hold more than 64KB of data?

631


Can we have this () and super () together?

594


State some advantages of java?

703


How infinite loop is declared?

523


What is object data type?

556


Explain the term virtual machine?

580


What about main() method in java ?

560