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
Bear Bibeault
Devaka Cooray
Liutauras Vilda
Jeanne Boyarsky

Sheriffs:

Knute Snortum
Junilu Lacar
paul wheaton

Saloon Keepers:

Ganesh Patekar
Frits Walraven
Tim Moores
Ron McLeod
Carey Brown

Bartenders:

Stephan van Hulst
salvin francis
Tim Holloway

Java in General

Stuff that is past the beginners stage

Important Links: Java FAQ

Best this year

Given a LinkedHashSet of anagrams, print each set of anagrams alphabetically and on a new line.

26 replies 4

Java in General

Implementing Model View Controller With Test Methodologies

35 replies 19 1

* Welcome Josh Bloch

36 replies 2 1

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

Have an object communicate with another object

37 replies 1

Java in General

Design pattern: actor-role

26 replies 2 1

Java in General

Is it bad practice when an Object has to be aware of another Object?

41 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

* Winners: Effective Java (3rd Edition)

18 replies 4 1

Java in General

I'm confused about frameworks still

40 replies 1

Upper and Lower Bounded Wildcard Question (Generics)

20 replies 3

Initialize elements of a sub-array without overwritting the first ones

21 replies 1

More »
Best this month

Java in General

1-D Arrays

75 replies 1

Java in General

Logic for adding students

37 replies

Grouping/Repeating application properties

13 replies

Learning platforms

16 replies 1

Java in General

Search Implementation in REST Service

8 replies 1

Malformed \uxxxx encoding

9 replies

Java in General

How to format additional test cases with scanner?

22 replies

Only getting a 7

11 replies

Why didn't my sorting work using Collections.sort()?

8 replies 2

create 1000 or more objects in java efficiently

7 replies 1

Head First Java, Chapter 10, "Be The Compiler"

7 replies 2

Runtime error

10 replies 1

Java in General

Testing

3 replies

recursion

4 replies 5

Java in General

EJB certification preparation

8 replies

Java in General

How to check if Radio Buttons and Checkboxes have data

20 replies

Recursive Method to Convert Decimal Number into a Binary Number

5 replies

Calculations using double values yield bad result. How to round the result to nearest hundredth...

6 replies

Java in General

Block view/disable control on Whatsapp Web

8 replies

Java not recognizing overridden method?

7 replies

More »
Java in General Forum at JavaRanch

Public Service Announcement: Java Is Still Free!

3 weeks ago 16 replies

2D packing problem

1 month ago 5 replies

How to fix the NullPointerException?

1 month ago 6 replies 2

JPA EntityManager

1 month ago 2 replies

Why ArrayList causes java.lang.ArrayIndexOutOfBoundsException when multiple threads are adding Items

1 month ago 18 replies

JavaFX

JavaFX + Java11 respectively JDK11 + Eclipse Photon

1 month ago 9 replies

Java Send Mail with Multiple Addresses

1 month ago 4 replies

what is the meaning of .... in code ?

1 month ago 16 replies 1

String Concepts

1 month ago 4 replies

Spring Transaction Management - AOP Proxies

1 month ago 2 replies

Will java's recent decision to charge for JDK impact my work?

1 month ago 3 replies

Writing a class representing a vehicle object.

1 month ago 3 replies 1

How to check how much memory is used by a program??

1 month ago 10 replies

Object oriented dev

1 month ago 5 replies 1

Please help clear up my confusion of databases.

1 month ago 3 replies

Switch values using JSON

1 month ago 4 replies

EJB and other Jakarta/Java EE Technologies

Proper JavaBeans use - where to put server methods

1 month ago 1 reply

How to put values from JTable to double values

1 month ago 22 replies

Devops tools

1 month ago 2 replies

Java Code to determine if a String ends with a particular group of characters error. Help?

1 month ago 10 replies

Garbage Collection

1 month ago 12 replies

How to converte Object array in Double array

1 month ago 3 replies

Maven

Maven

1 month ago 11 replies

SOAP-CommandLine-POST-GET

1 month ago 2 replies

Does this example not prove that Java is not always pass by value?

1 month ago 4 replies

Is it bad practice when an Object has to be aware of another Object?

1 month ago 41 replies [ 1, 2 ] 2

Have an object communicate with another object

1 month ago 37 replies 1

Given a LinkedHashSet of anagrams, print each set of anagrams alphabetically and on a new line.

1 month ago 26 replies 4

Tracking of Widget changes (Embed Code) - HOW?

1 month ago 2 replies

Design Pattern (Bridge Design Pattern)

1 month ago 1 reply

Morocco drops time change

1 month ago 2 replies

Why 10 data missed, when I execute this code

1 month ago 1 reply

Web Component Certification (OCEJWCD)

Jakarta EE certifications

1 month ago 8 replies

Using Substring and Split

1 month ago 4 replies

-Dhttps.protocols parameter

1 month ago 4 replies
- ◄
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- ...
- 1578
- ►
Forum leaders: Bear Bibeault Carey Brown Campbell Ritchie
Java
- Beginning Java 364104
- NIO2 and Try with Resources 226
- Lambdas and Streams 4402
- Jigsaw and Modules 589
- Servlets 128418
- JSP 109267
- JSF 40055
- EJB and other Jakarta/Java EE Technologies 63148
- Web Services 44011
- Swing / AWT / SWT 114194
- Sockets and Internet Protocols 18146
- Threads and Synchronization 26951
- Performance 15393
- I/O and Streams 28639
- Other JSE/JEE APIs 18866
- Game Development 4614
- Distributed Java 9758
- Portals and Portlets 5493
- SOA and ESB 235
- JNLP and Web Start 2695
- JavaFX 5764
- Applets 20562
- Graphics and 3D Programming 166
- Unified Printing API - JSR6 26
- Bluetooth - JSR82 28
- Other JSRs 61

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)