Most viewed questions under tag java

+4 votes

2 answers

Swap 2 characters in a sentence which is adjacent to white space

posted Aug 5, 2014 by Avinash Ks

+1 vote

1 answer

Explain the available thread states in a high-level?

posted Jan 13, 2015 by Shyam

+1 vote

1 answer

How can I determine the name and version number of the servlet or JSP engine that I am using?

posted Oct 27, 2015 by Dominic

+1 vote

1 answer

Unique hash function for every tweet in Twitter?

posted Oct 4, 2015 by anonymous

+3 votes

0 answers

Any alternatives to displaytag?

posted Jul 30, 2013 by Sudheendra

–1 vote

Which of these constructors is used to create an empty String object in Java? [MCQ]

posted Jul 13, 2018 by Frank Lee

0 votes

2 answers

Which design patterns are used in Hibernate framework?

posted Apr 28, 2016 by Shyam

0 votes

1 answer

What are common tasks performed by Servlet Container?

posted Sep 16, 2017 by anonymous

+2 votes

0 answers

Hadoop: got Java.lang.NullPointerException on two node when I restart cluster

posted Mar 17, 2015 by anonymous

–1 vote

0 answers

Write a program to find the amount to be paid to or taken from the other friends who paid at the moments?

posted Jul 9, 2019 by Tanay Hanuman Toor

+1 vote

1 answer

How do you ensure that N threads can access N resources without deadlock ?

posted Jan 13, 2015 by Shyam

+1 vote

2 answers

what is Jython and what are the pros and cons then switching from Python to Jython?

posted Jan 9, 2015 by Dewang Chaudhary

+2 votes

2 answers

Why wait and notify method should be called in loop in Java?

posted Mar 25, 2014 by Pushpak Chauhan

+3 votes

0 answers

What is the difference between local_static_java_libraries and local_java_libraries?

posted May 11, 2014 by Deepak Dasgupta

+2 votes

1 answer

What is false sharing in the context of multi-threading?

posted May 25, 2016 by Karthick.c

+2 votes

1 answer

Write a function in JAVA that takes 2 numbers in string and forms a string containing the addition of these 2 numbers?

posted May 9, 2017 by Azhar Keer

+2 votes

1 answer

What is the difference between Package and Inheritance in Java?

posted Mar 16, 2015 by anonymous

+3 votes

0 answers

Java: Implement a code to count the occurrences of each word in input file and write the word with count in output file?

posted Apr 22, 2017 by Azhar Keer

+2 votes

1 answer

What is ReadWrite Lock? Does ConcurrentHashMap uses ReadWrite Lock?

posted Apr 3, 2015 by Shyam

+1 vote

1 answer

How to implement multi tenancy with separate database in struts and hibernate?

posted Jul 8, 2014 by Sachin Patil

+2 votes

1 answer

What is the difference between Abstract factory and Prototype design pattern in Java?

posted Oct 11, 2016 by anonymous

0 votes

2 answers

What is the Difference between byte stream and Character streams?

posted Mar 17, 2016 by Karthick.c

0 votes

1 answer

What is the limitation of PreparedStatement in java and how to overcome it?

posted Jan 21, 2018 by Frank Lee

+1 vote

1 answer

Can we serialize singleton class in java and what is the impact on behavior?

posted Oct 9, 2013 by Nagarajuk

+2 votes

1 answer

What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?

posted Jun 28, 2016 by Shivam Kumar Pandey

+1 vote

3 answers

What is the use of final keyword in Java ?

posted Mar 6, 2016 by Deepak Jangid

+1 vote

1 answer

Can we clone singleton class in Java?

posted Aug 16, 2015 by anonymous

+2 votes

1 answer

Java: What is the difference between DriverManager.getConnection and DataSource.getConnection

posted Apr 10, 2014 by Prasad

0 votes

1 answer

How to ignore the EL expression evaluation in a JSP?

posted Sep 19, 2017 by anonymous

+2 votes

1 answer

How to encrypt a mysql Database password?

posted Mar 17, 2014 by Shiva Kumar H

+1 vote

1 answer

Java: Why abstract class can't be instantiated?

posted Mar 4, 2015 by anonymous

+2 votes

0 answers

What is the difference between ServerSocket and DatagramSocket transport protocol?

posted Jul 15, 2015 by Karthick.c

0 votes

0 answers

Describe three common use cases for using an Intent in Android?

posted Mar 27, 2017 by Karthick.c

0 votes

1 answer

What are the various window panes available in swing?

posted May 30, 2017 by Pooja Singh

+2 votes

1 answer

Java: After locking of first thread how other thread are accessing the list?

posted Dec 11, 2014 by Narayana Manohar

+1 vote

1 answer

Java example about Content Coupling?

posted Oct 21, 2015 by anonymous

+1 vote

1 answer

Write a program which accepts 2 strings from the user and performs the following operation on it?

posted May 14, 2017 by Azhar Keer

+2 votes

1 answer

Why HttpServlet is a abstract class defined?

posted Oct 19, 2013 by Nagarajuk

0 votes

1 answer

C/Java: How to program to check if input matrix is a valid sudoku solution?

posted Jul 2, 2015 by anonymous

+1 vote

2 answers

Can we use any class as Map key in Java if yes how, if no then why not?

posted Mar 14, 2016 by anonymous

+4 votes

1 answer

How to Get client’s address and hostname in Servlet?

posted Mar 12, 2015 by Roshni

+3 votes

1 answer

What are the advantages of Java over C++?

posted Mar 2, 2015 by anonymous

+1 vote

1 answer

What is difference between Spring and Ejb?

posted Jul 30, 2016 by anonymous

+2 votes

2 answers

What is the fastest way to convert a string into an integer in Java?

posted Jan 31, 2014 by Muskan

0 votes

0 answers

How to pass special characters as command line arguments in java?

posted Apr 8, 2017 by Atindra Kumar Nath

0 votes

1 answer

SCTP protocol in Android

posted Jul 19, 2013 by Nora Jones

+1 vote

1 answer

What is the difference between Java’s void and Scala’s Unit?

posted Oct 7, 2016 by Joy Nelson

+1 vote

1 answer

What are the minimum configurations needed to create spring MVC application?

posted Dec 6, 2017 by Gn Guruswamy

0 votes

1 answer

What is the benefit of Hibernate Criteria API?

posted Sep 11, 2017 by Rajesh Jk

0 votes

0 answers

Difference between Datainputstream vs Bufferedinputstream in java ?

posted Jul 10, 2014 by anonymous