Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

please write java program of instanceOf keyword implementation

2 5106

Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me

1901

How to extract HashMap values?

Marlabs,

5 12122

what is the main reason for developing struts? what is advantages over Basic MVC architecture based JAVA Application?

1 4868

How to Create A Wapper Class in core Java and Why are Use in java?

Amdocs,

2 7084

what are the steps in JDBC connectivity..???

IBM, SoftCom, TCS,

1 4297

1.can we transfer a request from one struts application to another struts application? 2. how many types of action servlets r there what r they

TCS,

3246

Difference between hashCode() & equals()?

HCL,

3 8450

Write a program for Sum of the digits for a given number Ex: suppose user entered Number is 1214, It should calculate the above number like 1+2+1+4 = 8

Amazon,

2 7383

Write a program to display numeric value in reverse order. Ex: I have given a number like 7584, It should display in reverse order like 4857.

6 9034

write a program, when a statement is entered, it should display in reverse order. Ex: Statement is "I am writing program in reverse order". Output should be like "order reverse in program writing am I".

4 11066

What is the reason that multiple inheritance is not possible in java??

1 3777

Why are the destructors for base class and derived class called in reverse order when the program exits

HCL,

2291

Definition for connection pooling?

3 5407

abstract class Demo { public void show() { System.out.println("Hello I am In show method of Abstract class"); } } class Sample extends Demo { public void show() { super.show(); System.out.println("Hello I am In Sample "); } } public class Test { public static void main(String[] args) { //I WANT TO CALL THE METHOD OF BASE CLASS IT IS POSSIBLE OR NOT CAN WE USE SCOPE RESOLUTION OPERATOR TO CALL OR JAVA NOT SUPPORTED THAT :: OPERATORE } }

3 14159

Un-Answered Questions { Java Related }

What is the use of flatmap?

1039

What is optional in java 8? What is the use of optional?advantages of java 8 optional?

973

Does WebSphere Application Server support Microsoft NTLM?

958

What are different ways to achieve spring ioc?

488

What Is Composition?

1126

What do you mean by servlet context?

1240

How to use Media tracker Class.

1181

What is data object example?

1085

What do you mean by two phase commits?

1157

What is the difference between quicksort & mergesort? When should they be used? What is their running time?

1153

What is string made of?

1031

How to add menushortcut to menu item?

1054

What is the procedure to configure jms security?

939

what is difference between equals and ==?

1132

How to convert struts to spring mvc?

1067

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