Most voted questions under tag java

+3 votes

1 answer

How to call a Java class from a background thread

posted Apr 20, 2016 by Karthick.c

+3 votes

0 answers

What would happen if I have multiple web-fragments ...?

posted Apr 18, 2016 by Karthick.c

+3 votes

0 answers

Does hot swapped compiled class remain in Tomcat after restart?

posted Apr 18, 2016 by Karthick.c

+3 votes

1 answer

Java:Can an abstract class be final? Explain briefly

posted Mar 4, 2016 by Sumana

+3 votes

1 answer

Can we override private methods in Java if yes explain how?

posted Feb 10, 2016 by Karthick.c

+3 votes

1 answer

Using static import, can I import the static members of classes in Java that I create?

posted Jan 27, 2016 by Danial Rotwaski

+3 votes

0 answers

Which jdbc driver class is used by ojdbc14.jar and jconn-7.0 jar?

posted Jan 4, 2016 by Chinmoy Padhi

+3 votes

1 answer

Java: Why a += b does not give any compile error while a = a + b does when a is int and b is double?

posted Dec 15, 2015 by anonymous

+3 votes

1 answer

How do I make servlet aliasing work with Apache+Tomcat?

posted Dec 14, 2015 by Dominic

+3 votes

1 answer

What is inter-servlet communication?

posted Dec 14, 2015 by Dominic

+3 votes

1 answer

What is comparison between Java, Javaw and javaws?

posted Dec 8, 2015 by Amit Kumar Pandey

+3 votes

1 answer

How do I handle FORMs with multiple form elements (e.g. radio buttons) using the same name?

posted Nov 20, 2015 by Shyam

+3 votes

1 answer

Given an active stream of sorted arrays, how would you merge them efficiently?

posted Nov 16, 2015 by Saif Khanam

+3 votes

1 answer

What is difference between static (class) method and instance method?

posted Oct 30, 2015 by Karthick.c

+3 votes

0 answers

What if the static modifier is removed from the signature of the main method?

posted Oct 30, 2015 by Karthick.c

+3 votes

1 answer

How do you share session objects between servlets and JSP?

posted Oct 15, 2015 by Shyam

+3 votes

1 answer

How to handle multiple concurrent database requests/updates when using JDBC with servlets?

posted Oct 15, 2015 by Shyam

+3 votes

0 answers

Is it possible to create private constructor in java? if yes then How to access that constructor from sub class?

posted Sep 28, 2015 by anonymous

+3 votes

1 answer

How to create fix number of objects in java?

posted Sep 22, 2015 by anonymous

+3 votes

0 answers

Which class is the best for reading input from user during runtime in JAVA ?

posted Sep 19, 2015 by Murali Ganesh

+3 votes

1 answer

What is the difference between Singleton pattern and Springs Beans being Singleton?

posted Sep 17, 2015 by anonymous

+3 votes

0 answers

What are the methods are used to Retrieve a List from a Stream in Java 8? please explain with example?

posted Aug 25, 2015 by Karthick.c

+3 votes

1 answer

Why can’t we create generic array?

posted Aug 17, 2015 by Karthick.c

+3 votes

1 answer

Write a Java program to sort a array using Bubble Sort algorithm?

posted Aug 11, 2015 by Mohammed Hussain

+3 votes

0 answers

Why do we need Java web frameworks like Struts 2?

posted Aug 4, 2015 by Karthick.c

+3 votes

1 answer

Why Static Method in Java can't be overridden?

posted Aug 3, 2015 by anonymous

+3 votes

1 answer

What is the default value of an object reference declared as an instance variable?

posted Jul 15, 2015 by Karthick.c

+3 votes

1 answer

What is the purpose of synchronized keyword?

posted Jul 15, 2015 by Karthick.c

+3 votes

0 answers

How to Deploy Spring Project to Live Server?

posted Jul 9, 2015 by Karthick.c

+3 votes

0 answers

How Function Interfaces Work in Java 8?Please explain with example?

posted Jul 9, 2015 by Karthick.c

+3 votes

0 answers

When to use Thread class and When to use Runnable interface in order to create a thread??

posted Jun 27, 2015 by Prakash Singh

+3 votes

0 answers

What does it mean by saying "load a class" please explain?

posted Jun 22, 2015 by Karthick.c

+3 votes

0 answers

What do Java objects look like in memory during run-time?

posted Jun 16, 2015 by Karthick.c

+3 votes

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How does a Java array look like in memory?Please Explain for one dimension and two dimension array memory location?

posted Jun 16, 2015 by Karthick.c

+3 votes

1 answer

How can we sort an array having binary values using Java or C?

posted Jun 4, 2015 by anonymous

+3 votes

1 answer

How to find if a thread holds lock on particular object in Java?

posted Jun 1, 2015 by anonymous

+3 votes

1 answer

Java: What is the difference between ArrayList and CopyOnWriteArrayList?

posted May 29, 2015 by anonymous

+3 votes

1 answer

When to use LinkedList over ArrayList Explain in detail?

posted May 27, 2015 by Karthick.c

+3 votes

1 answer

Why Singleton is Anti pattern?

posted May 21, 2015 by Karthick.c

+3 votes

1 answer

How do you prevent for creating another instance of Singleton using reflection?

posted May 12, 2015 by Karthick.c

+3 votes

1 answer

What is lazy and early loading of Singleton and how will you implement it?

posted May 12, 2015 by Karthick.c

+3 votes

0 answers

Can we control data distribution and load balancing in Hadoop Cluster?

posted May 3, 2015 by Sudhakar Singh

+3 votes

2 answers

Can we override constructor in Java? If yes then how, if no then why?

posted May 2, 2015 by anonymous

+3 votes

1 answer

How to get the location detail of a IP Address in Java or PHP?

posted May 2, 2015 by Salil Agrawal

+3 votes

1 answer

In a parent child relationship which constructor fires first ?

posted Apr 28, 2015 by Merry

+3 votes

0 answers

Why we need a static block in Java? What is its purpose and what are its advantage and disadvantages?

posted Apr 24, 2015 by anonymous

+3 votes

1 answer

How to code using fork-join framework?

posted Apr 17, 2015 by Dominic

+3 votes

1 answer

Can abstract class have constructors in Java?

posted Apr 5, 2015 by anonymous

+3 votes

1 answer

How to reverse an array in Java?

posted Mar 28, 2015 by anonymous

+3 votes

1 answer

What is the role of Remote Interface in RMI ?

posted Mar 23, 2015 by Roshni