Search...
FAQs
Subscribe
Pie
FAQs
Recent topics
Flagged topics
Hot topics
Best topics
Search...
Search Coderanch
Advance search
Google search
Register / Login
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
Pie Elite
all forums
this forum made possible by our volunteer staff, including ...
Marshals:
Campbell Ritchie
Ron McLeod
Liutauras Vilda
Paul Clapham
paul wheaton
Sheriffs:
Tim Cooke
Devaka Cooray
Rob Spoor
Saloon Keepers:
Stephan van Hulst
Tim Holloway
Tim Moores
Carey Brown
Mikalai Zaikin
Bartenders:
Best this year
Programmer Certification (OCPJP)
Java Certification Exam Prep: OCA (1Z0-808) & OCP (1Z0-829) | New Udemy Course
43 replies
Programmer Certification (OCPJP)
Do upper bounded wildcards restrict you to having only one type of object in a list?
49 replies
Beginning Java
Loops: While, Do/While etc.
58 replies
1
Programmer Certification (OCPJP)
Which certification to take?
21 replies
Programmer Certification (OCPJP)
Sybex 829. Ch 12 Modules. error "Package not found: zoo.animal.feeding"
17 replies
4
Beginning Java
HashSets What are they?
40 replies
2
Beginning Java
Head First Sharpen Your pencil Page 329 - Working with Comparable
24 replies
Programmer Certification (OCPJP)
Unable to Register for OCP SE 17 Exam
4 replies
Programmer Certification (OCPJP)
1Z0-829 or 1Z0-808
19 replies
1
Beginning Java
Hackerrank Sales by Match problem - I'm getting answer but can't return it (my1st recursion attempt)
19 replies
Java in General
CSV Format not Working
12 replies
1
Programmer Certification (OCPJP)
What is the precedence of the 'new' and '.' operators?
17 replies
Programmer Certification (OCPJP)
Sybex 829 errata. Ch 4. Please correct the explanation of why 2100 isn't a leap year.
10 replies
Beginning Java
Why learn Java?
19 replies
Beginning Java
More than one class in a file
51 replies
1
Beginning Java
Abstract and Interface difference
42 replies
3
Beginning Java
List of alleles/genotypes
33 replies
Beginning Java
ChatGPT and Java
31 replies
1
Beginning Java
Head First Java Page 62 quick question about arrays lead me to a mess.
56 replies
Java Foundations Exam
Are Arrays Sequential AND Indexed?
53 replies
More »
Best this month
Programmer Certification (OCPJP)
errata : OCP Java SE17 Developer Study Guide P116 - structure of a switch expression (Sybex CSG 17)
12 replies
Programmer Certification (OCPJP)
Study Guide chapter 1 review questions - question 6
3 replies
Programmer Certification (OCPJP)
Do I still need a Person Vue account to take a Java 17 Developer test?
11 replies
3
Programmer Certification (OCPJP)
Java SE 17 Developer Exam (1Z0-829) is not available anymore?
11 replies
2
Programmer Certification (OCPJP)
Need help with booking java 11 on pearsonvue.com
3 replies
2
Programmer Certification (OCPJP)
CSG17 Chapter 9 Unbounded Wildcards question
7 replies
Programmer Certification (OCPJP)
where is the online code for OCP 1Z0-829
2 replies
1
Programmer Certification (OCPJP)
Updates to the Efficient Learning Platform(Sybex Test Prep)
1 reply
Programmer Certification (OCPJP)
can't access testBank
0 replies
2
Java in General
why does the compiler complain about this ternary operator: "not a statement"?
60 replies
Beginning Java
Mocking Issue
11 replies
Beginning Java
Naming Convention of Files in Java
7 replies
Beginning Java
Head First Java
5 replies
3
1
Servlets
java.lang.ClassNotFoundException: arjuncodes.DemoServlet
6 replies
Associate Certification (OCAJP 8)
Q about Boyarsky and Selikoff Java 1Z0-808 study guide book
3 replies
Beginning Java
A Counter in StdOut
17 replies
1
Beginning Java
Objects equal as per the overridden equals method to be in same hashbucket for fast retrieval?
15 replies
Servlets
UT010019: Response already commited
3 replies
Lambdas and Streams
'forEach(java.util.function.Consumer)' in 'java.lang.Iterable' cannot be applied
28 replies
1
Beginning Java
Tests that tell a story (or using underscores in test names)
0 replies
More »
Most recent
Java in General
How to fix HttpsURLConnection POST XML request?
1 week ago
4 replies
Beginning Java
A Counter in StdOut
1 week ago
17 replies
1
Associate Certification (OCAJP 8)
EXAM
1 week ago
2 replies
General Computing
String to Int Conversion Challenge in C++: Overcoming Code Issues
1 week ago
1 reply
Android
unable to get driver for my micromax A50
1 week ago
2 replies
Meaningless Drivel
Myco-insulation - an innovative idea for building materials - new video from Paul
1 week ago
0 replies
1
Programmer Certification (OCPJP)
Need help with booking java 11 on pearsonvue.com
1 week ago
3 replies
2
Blatant Advertising
How to Save All Emails from Gmail Without Takeout?
1 week ago
0 replies
1
Threads and Synchronization
Synchronization in Java: Threads Created but Not Executed Synchronously
1 week ago
9 replies
Meaningless Drivel
Gift giving made easy with the permaculture playing cards - introducing our new page
1 week ago
0 replies
1
Blatant Advertising
Hire Remote Developers Within 48 Hours | Optymize
1 year ago
8 replies
PHP
Connecting to Twitter API
1 week ago
1 reply
3
MongoDB
Mongo Shell Command Installation
1 week ago
1 reply
Blatant Advertising
How to Import MBOX to Imap Server?
1 week ago
4 replies
1
Servlets
UT010019: Response already commited
1 week ago
3 replies
Wiki
OCPJP Wall Of Fame
1 week ago
Eclipse
Problems enlarging Eclipse icons
1 week ago
0 replies
Beginning Java
Naming Convention of Files in Java
1 week ago
7 replies
Meaningless Drivel
Code Reviews
1 week ago
0 replies
1
Java in General
Java Study Guide OCP I can't get the clue of hiding/polymorphism?
1 week ago
1 reply
Object Relational Mapping
Does anyone know HOW to call stored procedure with custom type from jpa/hibernate?
1 week ago
11 replies
JDBC and Relational Databases
jdbc connection
1 week ago
4 replies
Beginning Java
Why is download for JRE available when it does not have significance without compiler
1 week ago
19 replies
Web Services
I cannot figure out why my docker databases will not connect with the microservices- Spring Boot
1 week ago
1 reply
Servlets
java.lang.ClassNotFoundException: arjuncodes.DemoServlet
2 weeks ago
6 replies
Reactive Progamming
Is reactive programming java's way of asynchrous programming?
2 weeks ago
4 replies
Beginning Java
HashSets What are they?
1 month ago
40 replies
2
Beginning Java
Why learn Java?
4 months ago
19 replies
Meaningless Drivel
Low tech solutions to some of the world's problems
1 week ago
0 replies
◄
1
2
3
4
5
6
7
8
9
10
...
11
►
Top Forums
Java
Beginning Java
401416
Java in General
302529
NIO2 and Try with Resources
290
Lambdas and Streams
6415
Jigsaw and Modules
857
Servlets
130076
JSP
110577
JSF
40765
EJB and other Jakarta/Java EE Technologies
63724
Web Services
45605
Swing / AWT / SWT
119283
Sockets and Internet Protocols
18854
Threads and Synchronization
28091
Performance
15799
I/O and Streams
29528
Other JSE/JEE APIs
19182
Game Development
5311
Distributed Java
9886
Portals and Portlets
5498
SOA and ESB
238
JNLP and Web Start
2712
JavaFX
8369
Applets
20601
Graphics and 3D Programming
401
Unified Printing API - JSR6
26
Bluetooth - JSR82
28
Other JSRs
100
Mobile
Java Micro Edition
19131
Android
21440
iOS
1401
Certification
Programmer Certification (OCPJP)
304129
Java Foundations Exam
5593
Associate Certification (OCAJP 8)
22215
TOGAF
408
Product and Other Certifications
23583
Mock Exam Errata
2196
Certification Results
83656
Java EE7 Certification (OCPJEE7AD)
104
8 more...
Databases
Object Relational Mapping
42644
JDBC and Relational Databases
87475
MongoDB
598
Hadoop
1312
Neo4j
136
Riak
1
Big Table
88
Other Big Data
589
Caching
EhCache
245
JBoss Cache
33
OSCache
48
Gemfire
6
Books
Book Reviews
2660
Events
1014
Bunkhouse Porch
4179
Bunkhouse Lounge
284
Books
1043
Engineering
Network
121
Security
11066
Design
2747
Testing
15859
Code Reviews
877
OO, Patterns, UML and Refactoring
32286
Agile and Other Processes
11900
General Computing
14222
Cloud/Virtualization
1941
IoT
48
3 more...
Micro Controllers
Arduino
293
Raspberry Pi
179
BeagleBone
14
OS
GNU/Linux
14478
FreeBSD
3
OpenBSD
10
NetBSD
1
TrueOS
1
macOS
5520
Other UNIX
105
Languages
HTML Pages with CSS and JavaScript
86261
XML and Related Technologies
34342
Groovy
3372
Scala
2509
Ruby
1775
Other Languages
4831
C / C++
3724
PHP
2081
Clojure
965
Perl
299
Jython/Python
3727
R Programming
60
Kotlin
755
Go
537
Visual Basic
64
3 more...
Paradigms
Functional programming
869
Object-Oriented programming
73
Procedural programming
1
Imperative programming
3
Declarative programming
14
Reversible programming
6
Stack based programming
4
Logic programming
43
2 more...
IDEs
Eclipse
1335
NetBeans
929
IntelliJ IDEA
565
Android Studio
29
JDeveloper
2
BlueJ
18
VSCode
4
Other IDEs, Version Control
38948
Build Tools
Ant with Ivy
97
Maven
1500
Gradle
84
sbt
6
Other Build Tools
18859
Frameworks
Struts
82620
Spring
28494
GWT
2632
Flex
1405
Aspect Oriented Programming
226
Other Application Frameworks
11290
1 more...
Application Servers
BEA/Weblogic
20427
WebSphere
31845
Oracle/OAS
7569
Tomcat
43809
JBoss/WildFly
22832
GlassFish
512
Open Source
JForum
18870
Other Java Products
7514
Other Open Source Projects
23098
BPM and Workflow
234
Ranch Corral
156
This Site
Ranch Office
32859
Introductions
652
Cattle Drive
13418
Wiki
1287
Careers
Jobs Offered
9143
Jobs Wanted
3223
Jobs Discussion
74604
Soft Skills
515
Other
Meaningless Drivel
175744
Rattlesnake Pit
1969
Programming Diversions
8574
Blog around the Campfire
1934
Blatant Advertising
8245
Pie Elite
Pie Only
67
Go to forum