Recent questions tagged java

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1 answer

What are the practical uses for AtomicInteger?

Jul 18, 2018 in Java by Akrati
 • 3,190 points • 876 views
0 votes
1 answer

Arrays are passed by value or passed by reference in Java?

Jul 18, 2018 in Java by scarlett
 • 1,290 points • 10,992 views
+7 votes
20 answers

Let's keep this thread for discussing Java Interview questions & Experience

Jul 18, 2018 in Career Counselling by Vardhan
 • 13,150 points • 7,120 views
0 votes
2 answers

What is null in java?

Jul 17, 2018 in Java by Akrati
 • 960 points • 1,276 views
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1 answer

What is casting variable in java?

Jul 17, 2018 in Java by sophia
 • 1,400 points • 1,077 views
0 votes
1 answer

doGet and doPost in Servlets

Jul 17, 2018 in Java by Decoder
 • 120 points • 5,610 views
0 votes
1 answer

Use Servlets with Ajax

Jul 16, 2018 in Java by Parth
 • 4,640 points • 3,986 views
0 votes
1 answer

Difference between checked and unchecked exception

Jul 16, 2018 in Java by Parth
 • 4,640 points • 3,655 views
0 votes
1 answer

Hyperledger Fabric V1.0 Application using Java SDK Client for is waiting indefinitely when invoking chaincode

Jul 16, 2018 in Blockchain by sabby
 • 4,370 points • 1,567 views
0 votes
1 answer

What is the native keyword in Java?

Jul 16, 2018 in Java by Akrati
 • 960 points • 793 views
0 votes
2 answers

What is immutable string in java?

Jul 16, 2018 in Java by Akrati
 • 3,190 points • 1,141 views
0 votes
1 answer

How do I write an S3 Object to a file?

Jul 13, 2018 in AWS by Luke cage
 • 360 points • 4,901 views
0 votes
1 answer

What is the array initialization syntax when not in a declaration?

Jul 13, 2018 in Java by scarlett
 • 1,290 points • 854 views
0 votes
2 answers

What is the easiest way to iterate through the characters of a string in Java?

Jul 13, 2018 in Java by Akrati
 • 3,190 points • 2,161 views
0 votes
2 answers

How do we convert JSON to Map in Java

Jul 13, 2018 in Java by samarth295
 • 2,220 points • 6,648 views
0 votes
1 answer

Sort a HashMap in Java

Jul 13, 2018 in Java by samarth295
 • 2,220 points • 798 views
0 votes
2 answers

How to return multiple objects from a Java method?

Jul 12, 2018 in Java by whatsinname
 • 280 points • 9,611 views
0 votes
2 answers

What is the difference between BeforeClass and BeforeTest in TestNG - Selenium WebDriver

Jul 12, 2018 in Selenium by 93.lynn
 • 1,600 points • 9,171 views
0 votes
1 answer

login popup not working in tomcat9 when I click the server status

Jul 12, 2018 in DevOps Tools by Atul
 • 10,240 points • 1,888 views
0 votes
1 answer

What does NaN mean in Java?

Jul 12, 2018 in Java by Daisy
 • 8,140 points • 2,768 views
0 votes
1 answer

How can we use wait and notify in Java?

Jul 12, 2018 in Java by Akrati
 • 960 points • 976 views
0 votes
1 answer

What is the difference between static and inner class?

Jul 11, 2018 in Java by Akrati
 • 3,190 points • 1,372 views
0 votes
1 answer

Check whether the string is palindrome or not?

Jul 11, 2018 in Java by sophia
 • 1,400 points • 1,247 views
0 votes
2 answers

Is there any way to declare an array in-line?

Jul 10, 2018 in Java by sophia
 • 1,400 points • 743 views
–1 vote
1 answer

What is the difference between oracle JDK and open JDK

Jul 10, 2018 in Java by scarlett
 • 1,290 points • 1,389 views
0 votes
1 answer

org.xml.sax.SAXParseException: How to handle this exception?

Jul 9, 2018 in Java by Daisy
 • 8,140 points • 6,264 views
0 votes
2 answers

How to play .mp3 and .wav in Java?

Jul 9, 2018 in Java by Akrati
 • 3,190 points • 6,539 views
0 votes
2 answers

What is the difference between Type List and type ArrayList in Java

Jul 9, 2018 in Java by Daisy
 • 8,140 points • 2,861 views
0 votes
2 answers

How may I programmatically determine operating system in Java?

Jul 6, 2018 in Java by Akrati
 • 3,190 points • 897 views
0 votes
2 answers

Give an example for encryption and decryption in AES using Java

Jul 6, 2018 in Java by samarth295
 • 2,220 points • 7,278 views
0 votes
1 answer

Is there any way to write content of Java InputStream to an OutputStream?

Jul 6, 2018 in Java by Akrati
 • 3,190 points • 1,015 views
0 votes
1 answer

How can we return a JSON object from a Java Servlet?

Jul 6, 2018 in Java by Daisy
 • 8,140 points • 6,247 views
0 votes
1 answer

What is an efficient way to implement a singleton pattern in Java?

Jul 6, 2018 in Java by sophia
 • 1,400 points • 1,248 views
0 votes
1 answer

How to get the name of the currently executing method?

Jul 5, 2018 in Java by Akrati
 • 960 points • 996 views
0 votes
2 answers

C++ performance vs. Java/C#

Jul 5, 2018 in Java by Sushmita
 • 6,920 points • 1,588 views
0 votes
1 answer

Hibernate show real SQL

Jul 5, 2018 in Java by Daisy
 • 8,140 points • 1,210 views
0 votes
2 answers

How to left pad a string with zero in java?

Jul 5, 2018 in Java by sophia
 • 1,400 points • 3,452 views
0 votes
1 answer

How to pretty print XML from Java?

Jul 4, 2018 in Java by Sushmita
 • 6,920 points • 2,128 views
0 votes
1 answer

java.lang.UnsupportedClassVersionError: Bad version number in .class file. How to solve this?

Jul 4, 2018 in Java by Daisy
 • 8,140 points • 1,100 views
0 votes
1 answer

What is the equivalent of the C++ Pair<L,R> in Java?

Jul 4, 2018 in Java by developer_1
 • 3,350 points • 1,254 views
0 votes
1 answer

How to tell Jackson to ignore a field during serialization if its value is null?

Jul 4, 2018 in Java by developer_1
 • 3,350 points • 7,264 views
0 votes
2 answers

Is there a SortedList in Java?

Jul 4, 2018 in Java by sharth
 • 3,370 points • 4,701 views
0 votes
1 answer

Can we convert a string to hexadecimal in java

Jul 4, 2018 in Java by sharth
 • 3,370 points • 4,207 views
0 votes
1 answer

How to retrieve column names from java.sql.ResultSet?

Jul 4, 2018 in Java by Akrati
 • 3,190 points • 3,225 views
0 votes
1 answer

Interface variable are static and final by default. Why?

Jul 4, 2018 in Java by Perry
 • 17,100 points • 14,139 views
0 votes
1 answer

Bean Scopes in Java Spring

Jul 4, 2018 in Java by misc.edu04
 • 1,450 points • 1,454 views
0 votes
1 answer

Measure time elapsed in Java?

Jul 4, 2018 in Java by samarth295
 • 2,220 points • 1,039 views
0 votes
1 answer

Number of lines in a file in Java

Jul 4, 2018 in Java by samarth295
 • 2,220 points • 732 views
0 votes
1 answer

Iterating through a Collection, avoiding ConcurrentModificationException when removing in loop

Jul 3, 2018 in Java by developer_1
 • 3,350 points • 1,515 views
0 votes
1 answer

Continue Keyword in Java

Jul 3, 2018 in Java by developer_1
 • 3,350 points • 599 views
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