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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

Any one can explain how the inerface uses in java. give with example.

1 3027

My Question is that i am using tag in my servlet and after compilation after that calling by url in my browser then images are not showing. Sometime images are showing and sometime is not showing. I am using Tomcat to run my servlets. Tell me if there any specification for image in servlets or what is solution for this ??

2 5500

interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 5906

how can you say that java is independ language

TCS, Wipro,

2 5923

briefley expalin about the packages

3 4760

explain about method overloading and method overriding with difficult examples

4 7423

when a program class implements an interface it must provide behavior for..?

1 12302

create a midp application,where user can enter player name and points.the program saves the information to the record using RMS at MIDP device.program should also print out the top 10 player list to the end user.

1 3470

create a menu which has the following options:cut-can be on/off,copy-can be on/off,paste-can be on/off,delete-can be on/off,select all-put all4 options on,unselect all-put all 4 options off,using event handling in MIDP application

1 5758

who will give req's to u?. how they send req's to u? . what design documents contains?. when bugs raised on other developer code how to report to them?.(throgh mail or ........). how to retrive 100 recods from dao layer to presentation layer.using which collection?. what is sequence diagram.?.

iGate,

1 2437

how can i distribute 5GB of RAM to 3 JVM's in Linux 32 and 64- bit OS?

IBM,

2 7826

please any one explain this project: Minimizing recovery state in geographic ad hoc routing

IBM,

1 3805

explain the concept of virtual method invocation in polymorphism in detail?

TCS,

1 2294

what we can't do in jdbc but can do hibernate?

Cap Gemini,

3 10467

Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.

V2 Solutions,

1 2237

Un-Answered Questions { Java Related }

Can we extract main method from another class?

1019

What is parsing in java?

1022

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2409

Differentiate between static and non-static methods in java.

1112

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2853

Is minecraft 1.15 out?

1032

What is the difference between break and continue statements?

1113

Can we return resultset in java?

985

What are the differences between heap and stack memory in java?

1121

What if I write static public void instead of public static void?

926

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2657

How to create a base64 decoder in java8?

1123

How is declarative handling of exceptions done in struts ?

999

What is lazy class?

474

How does java handle integer overflows and underflows?

1102

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