Recent questions tagged java

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2 answers

What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association?

Oct 18, 2018 in Java by Daisy
 • 8,140 points • 21,331 views
0 votes
1 answer

Why “non-static method cannot be referenced from a static context”?

Oct 17, 2018 in Java by Daisy
 • 8,140 points • 1,181 views
0 votes
1 answer

What is the meaning of 'Synchronized'?

Oct 17, 2018 in Java by Daisy
 • 8,140 points • 670 views
+6 votes
28 answers

Which of them is better between Java vs Python? And why?

Oct 16, 2018 in Career Counselling by Vardhan
 • 13,150 points • 6,215 views
0 votes
2 answers

What are all the different ways to create an object in Java?

Oct 16, 2018 in Java by Sushmita
 • 6,920 points • 1,158 views
0 votes
1 answer

Remote debugging a Java application

Oct 16, 2018 in Java by Daisy
 • 8,140 points • 1,295 views
0 votes
1 answer

Importing properties file from Java package

Oct 15, 2018 in Java by anto.trigg4
 • 3,440 points • 551 views
0 votes
1 answer

Writing a UTF-8 file with Java

Oct 15, 2018 in Java by v.liyyah
 • 1,300 points • 1,905 views
0 votes
1 answer

Retrieving query from java.sql.PreparedStatement

Oct 12, 2018 in Java by misc.edu04
 • 1,450 points • 16,805 views
0 votes
1 answer

Static methods can't be abstract in Java

Oct 12, 2018 in Java by misc.edu04
 • 1,450 points • 1,066 views
0 votes
1 answer

How to build jars from IntelliJ properly?

Oct 12, 2018 in Java by Sushmita
 • 6,920 points • 7,561 views
0 votes
1 answer

Evaluating a math expression given in string form

Oct 12, 2018 in Java by Sushmita
 • 6,920 points • 5,832 views
0 votes
1 answer

Randomly selecting an element from an array

Oct 11, 2018 in Java by v.liyyah
 • 1,300 points • 749 views
0 votes
1 answer

Java equals() vs Arrays.equals()

Oct 11, 2018 in Java by anto.trigg4
 • 3,440 points • 895 views
0 votes
1 answer

What are the prerequisites to learn Hadoop in java perspective?

Oct 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 778 views
0 votes
1 answer

How to refresh a JTable model after insert delete or update the data

Oct 11, 2018 in Java by 93.lynn
 • 1,600 points • 24,950 views
0 votes
1 answer

How to use ThreadLocal variable

Oct 11, 2018 in Java by v.liyyah
 • 1,300 points • 850 views
+2 votes
1 answer

What is the meaning of "this" keyword in Java?

Oct 10, 2018 in Java by Sushmita
 • 6,920 points • 885 views
0 votes
1 answer

How can we handle the javax.net.ssl.SSLHandshakeException?

Oct 10, 2018 in Java by Sushmita
 • 6,920 points • 2,573 views
0 votes
1 answer

Using json rpc with curl on java?

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,723 views
0 votes
1 answer

AmazonEC2Client describeInstances() returns zero Reservations in Java

Oct 10, 2018 in AWS by eatcodesleeprepeat
 • 4,710 points • 803 views
0 votes
1 answer

Kinesis video consumer in android

Oct 10, 2018 in AWS by eatcodesleeprepeat
 • 4,710 points • 1,506 views
0 votes
1 answer

Apache Felix : In the OSQI container, I never see my custom command

Oct 10, 2018 in IoT (Internet of Things) by Annie97
 • 2,160 points • 645 views
0 votes
1 answer

Tail call optimization in JVM

Oct 10, 2018 in Java by v.liyyah
 • 1,300 points • 989 views
0 votes
1 answer

$ in a variable name in Java

Oct 10, 2018 in Java by 93.lynn
 • 1,600 points • 6,287 views
0 votes
2 answers

How to parse/format dates with LocalDateTime? (Java 8)

Oct 9, 2018 in Java by Parth
 • 4,640 points • 4,407 views
0 votes
1 answer

Creating an instance using the class name and calling constructor

Oct 9, 2018 in Java by Sushmita
 • 6,920 points • 2,903 views
0 votes
1 answer

Java's default package

Oct 9, 2018 in Java by v.liyyah
 • 1,300 points • 881 views
0 votes
1 answer

Can't access static fields in inner classes in Java

Oct 9, 2018 in Java by 93.lynn
 • 1,600 points • 1,814 views
0 votes
2 answers

Reading an InputStream & coverting it into a String in Java?

Oct 8, 2018 in Java by Bharani
 • 4,660 points • 1,184 views
0 votes
1 answer

How to display an animated GIF?

Oct 8, 2018 in Java by Sushmita
 • 6,920 points • 743 views
0 votes
1 answer

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: How to handle this exception?

Oct 8, 2018 in Java by Daisy
 • 8,140 points • 2,689 views
0 votes
2 answers

Why are you not able to declare a class as static in Java?

Oct 4, 2018 in Java by Sushmita
 • 6,920 points • 1,481 views
0 votes
2 answers

How to parse a date?

Oct 4, 2018 in Java by Daisy
 • 8,140 points • 864 views
0 votes
1 answer

Escaping strings in JSON

Oct 4, 2018 in Java by v.liyyah
 • 1,300 points • 24,417 views
0 votes
1 answer

How do you produce a double in Java

Oct 4, 2018 in Java by 93.lynn
 • 1,600 points • 846 views
0 votes
1 answer

How to Read/Write String from a File in Android

Oct 3, 2018 in Java by Sushmita
 • 6,920 points • 7,366 views
0 votes
3 answers

How does the “final” keyword in Java work?

Oct 3, 2018 in Java by Daisy
 • 8,140 points • 2,421 views
0 votes
1 answer

MQTT : Connection lost on MQTT subscriber to Internet of Things Server

Oct 3, 2018 in IoT (Internet of Things) by Upasana
 • 8,620 points • 4,638 views
0 votes
2 answers

Error on CompareFacesRequest as part of AWS's Rekognize on Android

Oct 1, 2018 in AWS by bug_seeker
 • 15,510 points • 2,663 views
0 votes
1 answer

Can't find class CognitoUserPoolsSignInProvider: Issue with Sign In integration

Sep 28, 2018 in AWS by bug_seeker
 • 15,510 points • 931 views
0 votes
1 answer

How to write a file in HDFS using Java Programming language?

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,859 views
0 votes
1 answer

Non-static method within Static method in Java

Sep 28, 2018 in Java by misc.edu04
 • 1,450 points • 1,254 views
0 votes
1 answer

System.exit() method in Java

Sep 28, 2018 in Java by 93.lynn
 • 1,600 points • 1,519 views
0 votes
1 answer

“Missing return statement” within if / for / while in Java

Sep 27, 2018 in Java by v.liyyah
 • 1,300 points • 9,066 views
0 votes
2 answers

Does Java thread.sleep() puts swing ui to sleep?

Sep 27, 2018 in Java by anto.trigg4
 • 3,440 points • 5,126 views
+1 vote
1 answer

How to issue a parsing json from case class using jackson?

Sep 26, 2018 in AWS by bug_seeker
 • 15,510 points • 3,034 views
+1 vote
1 answer

Error: Save Batch Record throws @DynamoDBTyped or @DynamoDBTypeConverted

Sep 26, 2018 in AWS by bug_seeker
 • 15,510 points • 4,324 views
0 votes
1 answer

Find Oracle JDBC driver in Maven repository

Sep 26, 2018 in Java by Sushmita
 • 6,920 points • 3,279 views
0 votes
1 answer

What is the best Java email address validation method?

Sep 26, 2018 in Java by Daisy
 • 8,140 points • 756 views
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