Recent questions tagged java

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Sort a HashMap in Java

Jul 13, 2018 in Java by samarth295
 • 2,220 points • 659 views
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2 answers

How to return multiple objects from a Java method?

Jul 12, 2018 in Java by whatsinname
 • 280 points • 9,119 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 • 8,820 views
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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 • 1,634 views
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1 answer

What does NaN mean in Java?

Jul 12, 2018 in Java by Daisy
 • 8,140 points • 2,324 views
0 votes
1 answer

How can we use wait and notify in Java?

Jul 12, 2018 in Java by Akrati
 • 960 points • 705 views
0 votes
1 answer

What is the difference between static and inner class?

Jul 11, 2018 in Java by Akrati
 • 3,190 points • 1,226 views
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1 answer

Check whether the string is palindrome or not?

Jul 11, 2018 in Java by sophia
 • 1,400 points • 1,076 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 • 584 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 • 1,103 views
0 votes
1 answer

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

Jul 9, 2018 in Java by Daisy
 • 8,140 points • 6,046 views
0 votes
2 answers

How to play .mp3 and .wav in Java?

Jul 9, 2018 in Java by Akrati
 • 3,190 points • 6,133 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 • 2,567 views
0 votes
2 answers

How may I programmatically determine operating system in Java?

Jul 6, 2018 in Java by Akrati
 • 3,190 points • 739 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 • 7,002 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 • 753 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 • 5,890 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 • 958 views
0 votes
1 answer

How to get the name of the currently executing method?

Jul 5, 2018 in Java by Akrati
 • 960 points • 837 views
0 votes
2 answers

C++ performance vs. Java/C#

Jul 5, 2018 in Java by Sushmita
 • 6,920 points • 1,319 views
0 votes
1 answer

Hibernate show real SQL

Jul 5, 2018 in Java by Daisy
 • 8,140 points • 1,029 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 • 3,181 views
0 votes
1 answer

How to pretty print XML from Java?

Jul 4, 2018 in Java by Sushmita
 • 6,920 points • 1,936 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 • 923 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 • 1,074 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 • 7,055 views
0 votes
2 answers

Is there a SortedList in Java?

Jul 4, 2018 in Java by sharth
 • 3,370 points • 4,500 views
0 votes
1 answer

Can we convert a string to hexadecimal in java

Jul 4, 2018 in Java by sharth
 • 3,370 points • 4,056 views
0 votes
1 answer

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

Jul 4, 2018 in Java by Akrati
 • 3,190 points • 2,866 views
0 votes
1 answer

Interface variable are static and final by default. Why?

Jul 4, 2018 in Java by Perry
 • 17,100 points • 13,461 views
0 votes
1 answer

Bean Scopes in Java Spring

Jul 4, 2018 in Java by misc.edu04
 • 1,450 points • 1,188 views
0 votes
1 answer

Measure time elapsed in Java?

Jul 4, 2018 in Java by samarth295
 • 2,220 points • 851 views
0 votes
1 answer

Number of lines in a file in Java

Jul 4, 2018 in Java by samarth295
 • 2,220 points • 600 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 • 1,337 views
0 votes
1 answer

Continue Keyword in Java

Jul 3, 2018 in Java by developer_1
 • 3,350 points • 493 views
+29 votes
3 answers

How can we set java.library.path in Eclipse?

Jul 3, 2018 in Java by Sushmita
 • 6,920 points • 22,339 views
0 votes
1 answer

How to get a platform-dependent new line character in Java?

Jul 3, 2018 in Java by Daisy
 • 8,140 points • 897 views
0 votes
1 answer

Difference between JSF, Servlet and JSP?

Jul 3, 2018 in Java by Parth
 • 4,640 points • 1,537 views
0 votes
2 answers

How do I get the size of a java.sql.ResultSet?

Jul 3, 2018 in Java by Parth
 • 4,640 points • 13,116 views
0 votes
2 answers

How to sort array in descending order

Jul 2, 2018 in Java by anonymous
 • 1,182 views
0 votes
1 answer

How can we format float to n decimal places ?

Jul 2, 2018 in Java by scarlett
 • 1,290 points • 1,325 views
0 votes
1 answer

A Java collection of value pairs? (tuples?)

Jul 2, 2018 in Java by Sushmita
 • 6,920 points • 2,505 views
0 votes
1 answer

How to get the Generic type of class at run time?

Jul 2, 2018 in Java by Daisy
 • 8,140 points • 828 views
0 votes
0 answers

How to populate a ListView using an ArrayList?

Jun 30, 2018 in Java by misc.edu04
 • 1,450 points • 1,104 views
0 votes
1 answer

ThreadLocal variables usage in Java

Jun 30, 2018 in Java by misc.edu04
 • 1,450 points • 678 views
0 votes
1 answer

No appenders could be found for logger(log4j)?

Jun 29, 2018 in Java by Daisy
 • 8,140 points • 8,733 views
0 votes
2 answers

What is the difference between getAttribute() and getParameter() in java?

Jun 29, 2018 in Java by Akrati
 • 960 points • 22,551 views
0 votes
2 answers

How can we convert java.util.Date to java.sql.date in Java?

Jun 29, 2018 in Java by Daisy
 • 8,140 points • 1,331 views
+1 vote
1 answer

What is the difference between JavaScript and Java

Jun 29, 2018 in Java by sharth
 • 3,370 points • 784 views
0 votes
1 answer

What are Daemon threads in Java?

Jun 29, 2018 in Java by sharth
 • 3,370 points • 707 views
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