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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 7685

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

1 10134

how to make hashmap object as synchronized object?

BOB Technologies,

2 5809

how to execute main()

Symphony, TCS,

4 8538

can we overload main method?

TCS,

8 10187

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

1 5683

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 10963

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 5445

Can we override the main method?

4 7831

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

1 1911

can write code for serialization ?

HCL, MegaSoft,

1 4267

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

2 5085

How to print a statement without using semicolan in java

HCL, IBM,

6 12318

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

NIIT, TCS,

2 6427

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

NIIT,

1 2452


Post New Core Java Questions

Un-Answered Questions { Core Java }

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

2677


What is a classloader in java?

1101


What is parsing in java?

1052


Differentiate between static and non-static methods in java.

1135


What is java string pool?

1091


What is the difference between equals() and == in java?

1050


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

1096


What is a constructor overloading in java?

1136


How to sort array in descending order in java?

1005


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

1110


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

1153


explain different ways of using thread? : Java thread

1092


How to create a base64 decoder in java8?

1152


What is the difference between break and continue statements?

1135


Realized?

2278