Most viewed questions under tag java

+1 vote

1 answer

In Java, What is the difference between Struts1 vs Struts2?

posted Jan 10, 2018 by anonymous

+1 vote

1 answer

While passing a Collection as argument to a function, how can we make sure the function will not be able to modify it?

posted Mar 14, 2016 by anonymous

+2 votes

1 answer

How to restrict no of users in the webaplication in java?

posted Dec 11, 2013 by Prasad

+1 vote

2 answers

What is difference between java.util.Date and java.sql.Date?

posted Sep 19, 2017 by Pankaj Singh

+1 vote

3 answers

Difference between checked and unchecked exception in Java?

posted Mar 25, 2014 by Aman

+1 vote

1 answer

What is Job Tracker role in Hadoop?

posted Jul 11, 2017 by Karthick.c

+1 vote

1 answer

Explain Java 7 ARM feature and multi-catch block?

posted Nov 10, 2017 by Jon Deck

+2 votes

1 answer

Java: what is importance of Static & instance block?

posted Mar 1, 2015 by anonymous

+3 votes

2 answers

How does a servlet communicate with a JSP page?

posted Jan 31, 2015 by Amit Kumar Pandey

+1 vote

1 answer

How to find common elements in three sorted array using Java?

posted Feb 17, 2016 by anonymous

0 votes

0 answers

WRITE A JAVA PROGRAM TO ACCEPT A SENTENCE AND SWAP first pair of THE ADJACENT LETTERS IN EACH WORD.

posted Oct 8, 2016 by anonymous

+2 votes

1 answer

What is the difference between C++ and Java?

posted Jan 22, 2014 by anonymous

0 votes

1 answer

What will happen if we don’t override thread class run() method in java?

posted Feb 12, 2018 by Jon Deck

0 votes

1 answer

What is the use of servlet wrapper classes?

posted Nov 7, 2017 by Gn Guruswamy

+1 vote

1 answer

Difference between Wait and Sleep , Yield in Java ?

posted Apr 10, 2015 by Roshni

+2 votes

0 answers

How to launch an activity in android?

posted Jan 24, 2017 by Farhan

+1 vote

1 answer

How can I return value from Java Thread ?

posted Jul 6, 2015 by Pardeep Kohli

+1 vote

1 answer

Explain JSP action elements or action tags?

posted Oct 3, 2017 by Supriya Jain

0 votes

1 answer

What is “dirty read” in JDBC? Which isolation level prevents dirty read?

posted Sep 18, 2017 by anonymous

+2 votes

1 answer

How to access value of variable in Driver class which has been declared and modified inside Mapper class?

posted May 12, 2015 by Sudhakar Singh

+1 vote

1 answer

How to find missing number from arraylist, numbers added randomly?

posted May 13, 2015 by anonymous

+3 votes

1 answer

How to connect to a linux machine in same network using Java?

posted Dec 17, 2013 by Satyabrata Mahapatra

0 votes

1 answer

Given a sentence and a word, remove all occurrences of the word in the sentence using C/Java?

posted Oct 17, 2016 by anonymous

+2 votes

1 answer

What is a compile time constant in Java? What is the risk of using it?

posted Apr 1, 2016 by Deepak Jangid

+1 vote

1 answer

How to populate drop down list in Java?

posted Apr 7, 2014 by Shiva Kumar H

+1 vote

1 answer

What is the importance of Spring bean configuration file?

posted Aug 23, 2017 by anonymous

+1 vote

1 answer

What is the difference between encodeRedirectUrl and encodeURL?

posted Oct 22, 2015 by Shyam

+3 votes

2 answers

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

posted May 2, 2015 by anonymous

+1 vote

2 answers

Difference between method overloading and overriding ?

posted Jan 7, 2015 by Neeraj Mishra

+1 vote

0 answers

What is the difference between an implicit intent and explicit intent?

posted Mar 9, 2017 by Karthick.c

–1 vote

3 answers

How to detect memory leak in java?

posted Sep 8, 2013 by Vinay Shukla

+2 votes

0 answers

When designing an abstract class, why should we avoid calling abstract methods inside its constructor?

posted Mar 28, 2016 by Ati Kumar

+3 votes

1 answer

informatica-powercenter Mapping variable in Java

posted Oct 20, 2014 by Sachin

+2 votes

2 answers

What is the differeence between arrayList and Linkedlist in Java?

posted Oct 28, 2015 by anonymous

+2 votes

1 answer

Give a simplest way to find the time a method takes for execution without using any profiling tool?

posted Sep 15, 2013 by Arvind Singh

0 votes

1 answer

How to implement a circular linked list in Java?

posted Mar 30, 2016 by anonymous

+1 vote

1 answer

Java: What are different Collection views provided by Map interface?

posted Mar 14, 2016 by anonymous

+2 votes

2 answers

Differentiate between JDK ,JRE & JVM in java?

posted Dec 11, 2014 by Joy Nelson

+1 vote

2 answers

what is the role of interface in java?

posted Jul 12, 2013 by Dheerendra Dwivedi

+1 vote

1 answer

Is empty .java file name a valid source file name?

posted May 18, 2018 by Frank Lee

+1 vote

4 answers

Java: What is Serialization and deserialization?

posted Mar 1, 2016 by Naveen Kumar

+2 votes

2 answers

What is the difference between GenericServlet and HttpServlet ?

posted Jan 30, 2015 by Deepan

+2 votes

1 answer

What is JVM? Why is Java called the ‘Platform Independent Programming Language’?

posted Jan 30, 2017 by Manisha

0 votes

0 answers

What are the word operators in Java and c++?

posted Jun 25, 2017 by Priya Kanojiya

+1 vote

1 answer

What is the difference between JAVA, C and C++?

posted Nov 26, 2016 by Jishnu Ramachandran

0 votes

1 answer

What is difference between Executor.submit() and Executer.execute() method ?

posted Jan 12, 2017 by Karthick.c

0 votes

0 answers

Java collection class like map

posted Oct 22, 2017 by Madu Hansi

+3 votes

1 answer

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

posted Dec 14, 2015 by Dominic

+4 votes

0 answers

How to count and print the number of times each character occurs in the given string in JAVA?

posted May 8, 2017 by Tanay Hanuman Toor

+1 vote

1 answer

What is the difference between oracle fusion and oracle ADF?

posted Apr 15, 2014 by Prasad