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:

Jeanne Boyarsky
Liutauras Vilda
Campbell Ritchie
Tim Cooke
Bear Bibeault

Sheriffs:

Paul Clapham
Junilu Lacar
Knute Snortum

Saloon Keepers:

Ron McLeod
Ganesh Patekar
Tim Moores
Pete Letkeman
Stephan van Hulst

Bartenders:

Carey Brown
Tim Holloway
Joe Ess

Java in General

Stuff that is past the beginners stage

Important Links: Java FAQ

Best this year

Java in General

Why is it possible to use new ***() as the argument directly?

79 replies 13 1

Java in General

Implementing Model View Controller With Test Methodologies

35 replies 19 1

* Welcome Josh Bloch

36 replies 2 1

How to choose between two similar but unrelated classes at runtime?

30 replies 9

Conway's Game of Life in Java

45 replies 7

Java in General

Learning Python in order to learn Java better?

17 replies 1

Java in General

javafx not working in Java 10

8 replies 2

Java by Comparison: Any tip about best practices?

18 replies 6

Code For Review: Find Nth Rarest Element

32 replies 3

Optional for method parameters

15 replies 7

Java in General

Implementing an algorithm using counters

100 replies

Java in General

Design pattern: actor-role

26 replies 2 1

Java in General

Code Review

48 replies 2

Java in General

Converting from List To Map?

18 replies 3

Whether a supclass object has those members marked private from its superclass or not?

33 replies 4 1

Java in General

What's new in Java - a quick overview

4 replies 6

Java in General

Java And R, anyone?

24 replies 1 2

* Winners: Effective Java (3rd Edition)

18 replies 4 1

Upper and Lower Bounded Wildcard Question (Generics)

20 replies 3

maintaing string width

35 replies 3

More »
Best this month

Java in General

Converting from List To Map?

18 replies 3

Is it acceptable to extract the required data from JSON by using substring instead of parser?

9 replies

Is it fine to use the same variable name for argument and local variable to which it is extracted to

20 replies

Where to go next?

13 replies 3

If else conditionals in getters

10 replies

Java 8 Lambda Expressions Confusions

12 replies

Java in General

How to check if .txt file exists in a directory?

13 replies

how to kill the thread which is running in some infinite loop

11 replies

OOP: About object's methods

7 replies

Java in General

Confused if this is a Java 8 feature

4 replies

Regular Expression

6 replies

Why I am not getting the printout of first "array" object ?

7 replies

java.lang.NoClassDefFoundError thrown by TestNG

5 replies 3

how to call non static code from static context

3 replies

How to compile maven web project in different version and run in different version

4 replies

Java in General

How do you achieve caching in Java based application?

4 replies

Looking for algorithm, to generate all combinations of a set

8 replies

Java in General

Posting a wait dialog while a process runs- I don't like my solution

9 replies

Taking a part of a string that's from a user's input

6 replies

Can PrintWriter write to an "open" text file?

6 replies

More »
Java in General Forum at JavaRanch

Public Service Announcement: Java Is Still Free!

1 day ago 0 replies 1

Metaspace v/s Permgen

2 months ago 5 replies

How to overcome fear of programming

2 months ago 11 replies 1

Profiler

2 months ago 3 replies

validating the fields of swift messages

2 months ago 2 replies

Using returned data in Java switch statement

2 months ago 1 reply

Fitting string into a PDF field so that the whole string is displayed

2 months ago 0 replies

Journaling Problems

2 months ago 4 replies

Download data from a website which has authentication

2 months ago 7 replies

XmlEnumValue get value

2 months ago 12 replies

Runnable throwing error

2 months ago 5 replies

Android

Android Studio(java) logic help-me

2 months ago 1 reply

Replace a substring in a string full of " : , and repeating string

2 months ago 7 replies

Tokenize with String.ReplaceAll

2 months ago 15 replies

Is there any reason to ever use float over double?

2 months ago 7 replies 3

PRintout elemnts in listArray

2 months ago 4 replies

store Encrypted password in config file then decrypt the password to use in application

2 months ago 7 replies 1

Oracle future price on Java SE and support

2 months ago 1 reply

Spring @Transactional Annotation and Exception Handling

2 months ago 0 replies

Can anyone please help me to get the code for the below assessment?

2 months ago 4 replies

Main program C++ and Java library?

2 months ago 1 reply

Help fixing jni errors

2 months ago 6 replies 1

Dynamic ClassLoader issue

2 months ago 7 replies

Best way to create 500 objects, optimization, nested loops

2 months ago 6 replies

Improving Java knowledge

3 months ago 2 replies

Verification of concept HashMap uses .equeals() method on key object during put operation.

3 months ago 12 replies 2

linked list pointers?

3 months ago 12 replies 1

Setting variable values for setter methods via Java reflection for class and super class

3 months ago 7 replies

Wildcarded nightmare generics (continued)

3 months ago 3 replies 3

Why does my code duplicate the results 3 times? Predicates

3 months ago 9 replies

Error while executing into Jar

3 months ago 4 replies
- ◄
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- ...
- 1571
- ►
Forum leaders: Campbell Ritchie Rob Spoor Stephan van Hulst
Java
- Beginning Java 359486
- NIO2 and Try with Resources 223
- Lambdas and Streams 4173
- Jigsaw and Modules 578
- Servlets 128316
- JSP 109234
- JSF 40029
- EJB and other Jakarta/Java EE Technologies 63087
- Web Services 43911
- Swing / AWT / SWT 113720
- Sockets and Internet Protocols 18102
- Threads and Synchronization 26842
- Performance 15384
- I/O and Streams 28568
- Other JSE/JEE APIs 18837
- Game Development 4588
- Distributed Java 9755
- Portals and Portlets 5493
- SOA and ESB 235
- JNLP and Web Start 2688
- JavaFX 5341
- Applets 20506
- Graphics and 3D Programming 150
- Unified Printing API - JSR6 25
- Bluetooth - JSR82 28
- Other JSRs 55

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

Why is it possible to use new ***() as the argument directly?

Implementing Model View Controller With Test Methodologies

* Welcome Josh Bloch

How to choose between two similar but unrelated classes at runtime?

Conway's Game of Life in Java

Learning Python in order to learn Java better?

javafx not working in Java 10

Java by Comparison: Any tip about best practices?

Code For Review: Find Nth Rarest Element

Optional for method parameters

Implementing an algorithm using counters

Design pattern: actor-role

Code Review

Converting from List To Map?

Whether a supclass object has those members marked private from its superclass or not?

What's new in Java - a quick overview

Java And R, anyone?

* Winners: Effective Java (3rd Edition)

Upper and Lower Bounded Wildcard Question (Generics)

maintaing string width

Best this month

Converting from List To Map?

Is it acceptable to extract the required data from JSON by using substring instead of parser?

Is it fine to use the same variable name for argument and local variable to which it is extracted to

Where to go next?

If else conditionals in getters

Java 8 Lambda Expressions Confusions

How to check if .txt file exists in a directory?

how to kill the thread which is running in some infinite loop

OOP: About object's methods

Confused if this is a Java 8 feature

Regular Expression

Why I am not getting the printout of first "array" object ?

java.lang.NoClassDefFoundError thrown by TestNG

how to call non static code from static context

How to compile maven web project in different version and run in different version

How do you achieve caching in Java based application?

Looking for algorithm, to generate all combinations of a set

Posting a wait dialog while a process runs- I don't like my solution

Taking a part of a string that's from a user's input

Can PrintWriter write to an "open" text file?

Java in General Forum at JavaRanch

Public Service Announcement: Java Is Still Free!

Metaspace v/s Permgen

How to overcome fear of programming

Profiler

validating the fields of swift messages

Using returned data in Java switch statement

Fitting string into a PDF field so that the whole string is displayed

Journaling Problems

Download data from a website which has authentication

XmlEnumValue get value

Runnable throwing error

Android Studio(java) logic help-me

Replace a substring in a string full of " : , and repeating string

Tokenize with String.ReplaceAll

Is there any reason to ever use float over double?

PRintout elemnts in listArray

store Encrypted password in config file then decrypt the password to use in application

Oracle future price on Java SE and support

Spring @Transactional Annotation and Exception Handling

Can anyone please help me to get the code for the below assessment?

Main program C++ and Java library?

Help fixing jni errors

Dynamic ClassLoader issue

Best way to create 500 objects, optimization, nested loops

Improving Java knowledge

Verification of concept HashMap uses .equeals() method on key object during put operation.

linked list pointers?

Setting variable values for setter methods via Java reflection for class and super class

Wildcarded nightmare generics (continued)

Why does my code duplicate the results 3 times? Predicates

Error while executing into Jar

Java