New Topic

programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums

this forum made possible by our volunteer staff, including ...

Marshals:

Campbell Ritchie
Tim Cooke
Paul Clapham
Devaka Cooray
Bear Bibeault

Sheriffs:

Junilu Lacar
Knute Snortum
Liutauras Vilda

Saloon Keepers:

Ron McLeod
Stephan van Hulst
Tim Moores
Tim Holloway
Piet Souris

Bartenders:

salvin francis
Carey Brown
Frits Walraven

Java in General

Stuff that is past the beginners stage

Important Links: Java FAQ

Best this year

Help with Junit

41 replies 2

Java in General

AES without base 64?

67 replies 2

Java Code Review and Psychology

21 replies

Java in General

Java with maven error: illegal character: \8220

39 replies

What are the new changes to switch statements in Java 13?

22 replies 4

How to merge regex inside java application?

69 replies 1

Java app architecture directions?

21 replies

Type for phone number?

47 replies

How to merge consecutive values into a range?

50 replies

Java in General

Not able to return a value from a method because of its try catch block

22 replies

Java in General

Design review

30 replies

toString(DELIMITER) problem

120 replies 1

code critique

16 replies

Unit Testing

18 replies

Help with star rating system in java

46 replies 1

Data type for timestamp?

36 replies

Convert PDFs to EPUB with Java

10 replies 1

Java in General

Reading multi-line records

26 replies 3

How would i use Math.abs to solve this problem?

25 replies

How Genetic Algorithm processes a matrix of distances?

30 replies 1

More »
Best this month

code critique

16 replies

Java in General

how to test HTTP POST with content type text/uri-list

13 replies 2

* Welcome Ian Darwin

7 replies 1

Java 8 is EOL December 2020

7 replies 1

Java in General

How to modify this 3D pyramid

17 replies

Getting error while iterating not matching key in else part

15 replies

Java in General

Implementing call back routines in Java

4 replies 1

Keyboard utilities and Predicates

12 replies

Please Help me finish my assignment- 20 digits number should B used but Java doesn't support it. :'(

11 replies

Regex to find a string anywhere

7 replies

Java <Future> without a thread

12 replies

List & toArray()

7 replies

How Can i Call the Innerclass in main Method ? is that possible ?

2 replies 1

If/else statement returns always false, even if the statement is true.

3 replies 1

HTTP POST from my java process throwing an error!

8 replies 1

Java in General

Exception in Application start method

8 replies 1

Comparing entries in a Map

10 replies

I get an error while obfuscate the war file.

14 replies

List split problem

5 replies

Java not encoding ing Big5 which is for chinese...

10 replies

More »
Java in General Forum at JavaRanch

Other Open Source Projects

GSON JSON data parsing good article

2 hours ago 2 replies

Java in General

Number of tests needed for equals and hashCode contract

6 hours ago 4 replies

Spring

Mapping error for springboot project

7 hours ago 4 replies

Please Help me! Formatting a name

12 hours ago 10 replies

HTML Pages with CSS and JavaScript

Passing values from javascript to jsp scriplets throws numberformatexception error

14 hours ago 10 replies

How to refresh in real-time the JTable after inserting new data to the database?

21 hours ago 9 replies

Implementing call back routines in Java

21 hours ago 5 replies 1

Associate Certification (OCAJP 7/8)

OCA book Array-list doubt

22 hours ago 7 replies

Find how many times a case sensitive string is present in another string

22 hours ago 4 replies

Beginning Java

Finding the highest number

1 day ago 17 replies

How to find elements which occurred only once in ArrayList in Java

1 day ago 1 reply

Regex to find a string anywhere

1 day ago 7 replies

Java in General

Classical Reporting In Java

1 day ago 4 replies

Jobs Offered

Looking for Java Developer to work in Washington DC (Contract position)

1 day ago 1 reply

Better place for log folder

1 day ago 2 replies

Regex to find a string anywhere

2 days ago 1 reply

Check Java version from Command Line

2 days ago 1 reply

Getting error while iterating not matching key in else part

2 days ago 15 replies

I need a source code using crawler4j website

2 days ago 5 replies

ConcurrentHashMap and compate datetime in an array of DateTime (JAVA 8)

2 days ago 12 replies

Getting Null Pointer error while iterating non-matching key in hashtable

3 days ago 2 replies

Compare two Hashtables ?? !! :-(

3 days ago 8 replies

Issue with date time calculation

3 days ago 3 replies

Anonymous class functions cannot be called

3 days ago 8 replies

Spring

Spring Boot Custom Exception Handling

3 days ago 2 replies

If/else statement returns always false, even if the statement is true.

3 days ago 3 replies 1

Math.abs() & Generic Wildcard ?

3 days ago 3 replies

Value inside the Action Listener is not updating the field in the class.

3 days ago 2 replies

Java API Library for Google Maps: Where can I find it?

4 days ago 3 replies

Security

Is it still good to use single sign in today world ?

3 months ago 15 replies

Public Service Announcement: Java Is Still Free!

1 year ago 16 replies 3

Trouble with double primitive type

15 years ago 4 replies
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- ...
- 1618
- ►
Forum leaders: Junilu Lacar Campbell Ritchie Piet Souris
Java
- Beginning Java 383054
- NIO2 and Try with Resources 240
- Lambdas and Streams 5183
- Jigsaw and Modules 725
- Servlets 129336
- JSP 110097
- JSF 40283
- EJB and other Jakarta/Java EE Technologies 63419
- Web Services 44736
- Swing / AWT / SWT 116242
- Sockets and Internet Protocols 18534
- Threads and Synchronization 27490
- Performance 15487
- I/O and Streams 29005
- Other JSE/JEE APIs 19032
- Game Development 4874
- Distributed Java 9838
- Portals and Portlets 5494
- SOA and ESB 237
- JNLP and Web Start 2712
- JavaFX 7206
- Applets 20573
- Graphics and 3D Programming 261
- Unified Printing API - JSR6 26
- Bluetooth - JSR82 28
- Other JSRs 77

What do the icons mean:

= Topic with 1 to 5 flags
= Topic with 5 or more flags
= Topic with 10 or more flags
= Topic with unread post(s)

Java in General

Best this year

Help with Junit

AES without base 64?

Java Code Review and Psychology

Java with maven error: illegal character: \8220

What are the new changes to switch statements in Java 13?

How to merge regex inside java application?

Java app architecture directions?

Type for phone number?

How to merge consecutive values into a range?

Not able to return a value from a method because of its try catch block

Design review

toString(DELIMITER) problem

code critique

Unit Testing

Help with star rating system in java

Data type for timestamp?

Convert PDFs to EPUB with Java

Reading multi-line records

How would i use Math.abs to solve this problem?

How Genetic Algorithm processes a matrix of distances?

Best this month

code critique

how to test HTTP POST with content type text/uri-list

* Welcome Ian Darwin

Java 8 is EOL December 2020

How to modify this 3D pyramid

Getting error while iterating not matching key in else part

Implementing call back routines in Java

Keyboard utilities and Predicates

Please Help me finish my assignment- 20 digits number should B used but Java doesn't support it. :'(

Regex to find a string anywhere

Java <Future> without a thread

List & toArray()

How Can i Call the Innerclass in main Method ? is that possible ?

If/else statement returns always false, even if the statement is true.

HTTP POST from my java process throwing an error!

Exception in Application start method

Comparing entries in a Map

I get an error while obfuscate the war file.

List split problem

Java not encoding ing Big5 which is for chinese...

Java in General Forum at JavaRanch

GSON JSON data parsing good article

Number of tests needed for equals and hashCode contract

Mapping error for springboot project

Please Help me! Formatting a name

Passing values from javascript to jsp scriplets throws numberformatexception error

How to refresh in real-time the JTable after inserting new data to the database?

Implementing call back routines in Java

OCA book Array-list doubt

Find how many times a case sensitive string is present in another string

Finding the highest number

How to find elements which occurred only once in ArrayList in Java

Regex to find a string anywhere

Classical Reporting In Java

Looking for Java Developer to work in Washington DC (Contract position)

Better place for log folder

Regex to find a string anywhere

Check Java version from Command Line

Getting error while iterating not matching key in else part

I need a source code using crawler4j website

ConcurrentHashMap and compate datetime in an array of DateTime (JAVA 8)

Getting Null Pointer error while iterating non-matching key in hashtable

Compare two Hashtables ?? !! :-(

Issue with date time calculation

Anonymous class functions cannot be called

Spring Boot Custom Exception Handling

If/else statement returns always false, even if the statement is true.

Math.abs() & Generic Wildcard ?

Value inside the Action Listener is not updating the field in the class.

Java API Library for Google Maps: Where can I find it?

Is it still good to use single sign in today world ?

Public Service Announcement: Java Is Still Free!

Trouble with double primitive type

Java