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Core Java Interview Questions
Questions Answers Views Company eMail

Tell me about your ability to work under pressure

AXA,

2198

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 5693

hr interview how many minutes asking question

2045

please send me hr interview questions in it industry

2125

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

LIC,

1 4439

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

HCL, NIIT,

1 13279

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 9046

aabccdee Find the used alphabets as abcde ?

4 6112

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,

1992

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

IBM, Manhattan, TCS,

3 5614

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

5665

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 8634

what is object slice?

HTC, TCS,

2 8293

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

TCS,

5 9759

why abstract class does not have object creation

Value Labs,

6 13526


Post New Core Java Questions

Un-Answered Questions { Core Java }

What is a conditional statement explain with example?

1018


Are arrays primitive data types?

1187


How do you sort in descending order in java using collections sort?

898


Why null value is used in string?

1051


Can we serialize static variables in java?

1098


is it possible to instantiate the math class?

1039


Why java strings are immutable in nature?

1077


Is there any way to find whether software installed in the system is registered by just providing the .exe file? I have tried the following code but its just displaying the directory structure in the registry. Here the code : package com.msi.intaller; import java.util.Iterator; import ca.beq.util.win32.registry.RegistryKey; import ca.beq.util.win32.registry.RootKey; public class RegistryFinder { public static void main(String... args) throws Exception { RegistryKey.initialize(RegistryFinder.class.getResource("jRe gistryKey.dll").getFile()); RegistryKey key = new RegistryKey(RootKey.HKLM, "Software\\ODBC"); for (Iterator subkeys = key.subkeys(); subkeys.hasNext();) { RegistryKey subkey = subkeys.next(); System.out.println(subkey.getName()); // You need to check here if there's anything which matches "Mozilla FireFox". } } }

1804


How do I enable java in safari?

1041


Is java an open source?

978


How do you use wildcards?

1063


What are drawbacks of singleton class?

958


What is a 16 bit word?

1012


How do you get length in java?

1036


Which class is the superclass for every class in java programming?

1000