Core Java Interview Questions
Questions Answers Views Company eMail

Tell me about your ability to work under pressure

AXA,

1761

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 4743

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 7179

aabccdee Find the used alphabets as abcde ?

4 4835

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,

1566

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

IBM, Manhattan, TCS,

3 4379

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

5220

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 7667

what is object slice?

HTC, TCS,

2 7266

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

TCS,

5 8048

why abstract class does not have object creation

Value Labs,

6 10674


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Un-Answered Questions { Core Java }

Can we create a constructor in abstract class?

560


What is the use of a copy constructor?

564


Can we override constructors?

534


When is update method called?

660


What are examples of modifiers?

502






What are void methods?

561


What is the concatenation operator in java?

567


What does  mean in regex?

565


os is developed in c no java is more secured then c na why dont the os developed is developed using java

3513


Why is boolean important?

580


What is backdrop?

587


What is the difference between a synchronized method and a synchronized block?

597


what is the difference between process and thread? : Java thread

555


what is the final keyword denotes in java?

573


How to print nodes of a Binary tree?

1750