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Core Java Interview Questions
Questions Answers Views Company eMail

Tell me about your ability to work under pressure

AXA,

1378

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 3992

hr interview how many minutes asking question

1185

please send me hr interview questions in it industry

1176

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

LIC,

1 3104

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

HCL, NIIT,

1 11323

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 5633

aabccdee Find the used alphabets as abcde ?

4 3655

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,

1163

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

IBM, Manhattan, TCS,

3 3222

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

4778

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 6580

what is object slice?

HTC, TCS,

2 6224

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

TCS,

5 6745

why abstract class does not have object creation

Value Labs,

6 9170


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Un-Answered Questions { Core Java }

Why are the methods of the math class static?

141


how does the run() method in runnable work? : Java thread

133


What is an immutable object?

145


What will happen if static modifier is removed from the signature of the main method?

143


Find the value of a specified element of the array arr[i] where 0 <= i <= n-1

173






List implementations of list interface?

156


Can a class with private constructor be extended?

113


What is the current version of java?

107


Does windows 10 need java?

120


What is difference between word and integer?

114


What is a bufferedreader?

111


What does math floor () do?

115


What does jre stand for?

126


What are the escape sequences in java?

126


What is var keyword ?

226