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Core Java Interview Questions
Questions Answers Views Company eMail

What is meant by Servelet? What are the parameters of service method?

2 7705

What is meant by Session? Explain something about HTTP Session Class?

1 10136

how to make hashmap object as synchronized object?

BOB Technologies,

2 5816

how to execute main()

Symphony, TCS,

4 8552

can we overload main method?

TCS,

8 10212

we cannot create an object of interface but we can create a variable of it

1 5696

There are three interfaces A,B & C. A extends B, B extends C, and C extends A.Is it multiple Inheritance? please anybody help me.....

5 10971

abstract class A{ int list []=new int [100]; A(int x,int y){ rondom n=new rondom(); for (int i==;i<100;i++); list [i]=x+r.next int(y-x+1); abstract sort (); abstract binary sarch(int temp); class B extends A{

3 5455

Can we override the main method?

4 7835

make a method which any number and any type of argument and print sum of that arguments.....

1 1915

can write code for serialization ?

HCL, MegaSoft,

1 4275

What is Yield() method when we r using this ? tell exactly

2 5094

How to print a statement without using semicolan in java

HCL, IBM,

6 12332

Hi friends i want display Triangle shap stars(*) please can tell me any one java code logic? * *** ***** ******* Like this

NIIT, TCS,

2 6438

What is the difference between Java1.4 and Java1.5

NIIT,

1 2455


Post New Core Java Questions

Un-Answered Questions { Core Java }

Explain public static void main(string args[]) in java.

1093


How to sort array in descending order in java?

1012


explain different ways of using thread? : Java thread

1094


How to create a base64 decoder in java8?

1156


What is an object in java and how is it created?

1158


What do you mean by an interface in java?

1112


Write a program to print count of empty strings in java 8?

1099


Write a program to find the whether a number is an Armstrong number or not?

1114


What is java string pool?

1095


What is a constructor overloading in java?

1138


What is the difference between break and continue statements?

1137


Differentiate between static and non-static methods in java.

1139


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

2683


What is parsing in java?

1056


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

1155