Register / Login

Win a copy of Resilient Oracle PL/SQL: Building Resilient Database Solutions for Continuous Operation this week in the JDBC and Relational Databases forum!

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 Pie Elite all forums

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

Marshals:

Campbell Ritchie
Paul Clapham
Tim Cooke
Ron McLeod
Liutauras Vilda

Sheriffs:

Jeanne Boyarsky
Devaka Cooray
Junilu Lacar

Saloon Keepers:

Tim Holloway
Carey Brown
Stephan van Hulst
Peter Rooke
Mikalai Zaikin

Bartenders:

Himai Minh

Beginning Java

No question too simple or small . . .

Howdy! This is your friendly forum for beginning Java. No question is too simple or too small!
(Posters with questions of any difficulty might consider the "Java in General" forum.)
Please check our Java Beginners FAQ!
We're all here to learn, so when responding to others, please focus on helping them discover their own solutions, instead of simply providing answers.

Best this year

What is the difference between declaring a String variable and assigning a blank value to a variable

30 replies

Loops: While, Do/While etc.

55 replies 1

Hackerrank Sales by Match problem - I'm getting answer but can't return it (my1st recursion attempt)

19 replies

Beginning Java

what is wrong with this Stream function ?

49 replies 1

Java ide

48 replies

How to count digits after decimal point

33 replies 2

Where am I going wrong in Java journey?

29 replies

ChatGPT and Java

31 replies 1

Online Java learning without a human to ask questions of

29 replies

Why learn Java?

15 replies

* Welcome Matthew Speake

13 replies 1

Java Swing Learning for GUI

12 replies

Communication with other classes(Objects)

41 replies 1

Beginning Java

Java Upgrade

29 replies

CurrencyConverter Java program

22 replies 1 1

Troubleshooting Java: Read, debug, and optimize JVM applications: importance of inline documentation

4 replies

Order of operations

13 replies 1

Making some static variables available to many classes - how to

23 replies

Getting started with Java.

16 replies

Java problem: 2d-Arrays

45 replies

More »
Best this month

Java Swing Learning for GUI

12 replies

Beginning Java

Java Upgrade

29 replies

Making some static variables available to many classes - how to

23 replies

Taking a corsera class and can not recover from mistakes

20 replies

Intellij configuration

30 replies 4

System.out.print() doesn't display anything on Bash

6 replies

Cannot invoke "java.time.LocalDate.getYear()" because "date" is null

13 replies

How to understand Binary Search

10 replies

installing Java 17

23 replies 4

How to write a Sort to sort by String in Element in LinkedList

9 replies

Head First Java - Where is the code from the book?

11 replies

How do I download the Java SE API information

7 replies

Transitioning to Java: Hardest part for a programmer

7 replies

Math n 001

23 replies

Beginning Java

Five Practical Must-Know Java SE 17 Features (Free Udemy Course)

5 replies 1

* Welcome Ken Fogel

2 replies 1

Head First Book - No answer about an important concept.

9 replies

loan amount calculation - java

3 replies 1

Play For Ozzy (Program not giving correct output)

7 replies

HackerRank currencyFormat

6 replies 1

More »
Beginning Java Forum at JavaRanch

Implementation of java.util.List abstract method get()

5 months ago 4 replies

Compilers complaint on override

5 months ago 6 replies

Hackerrank Climbing the Leaderboard problem - Why does my code stop checking scores?

5 months ago 5 replies 1

I am new to JAVA

5 months ago 5 replies

Exception in thread "main" java.lang.StackOverflowError at Books.<init>(Books.java:4)

5 months ago 5 replies

Make a class not to inherit and instantiate

5 months ago 20 replies

Getting different results if a variable is declared in a constructor

5 months ago 3 replies

I'm having Difficulty with ObjectInputStream FileInputStream

5 months ago 6 replies

OO, Patterns, UML and Refactoring

Implement Uses and Has-a (Aggregation and Composition) Relationship from UML In Java

5 months ago 6 replies 3

Permutations with Collections.shuffle

5 months ago 8 replies

Hackerrank Sales by Match problem - I'm getting answer but can't return it (my1st recursion attempt)

5 months ago 19 replies

Java textpad not running

5 months ago 5 replies 3

Java simple question

5 months ago 2 replies 1

How to return a Point of intersection of two lines?

5 months ago 7 replies

Marble Jar problem

6 months ago 2 replies

Nim game

6 months ago 11 replies

NetBeans

Apache NetBeans (mac) crashes after installing plugin

6 months ago 0 replies 1

Storing Images In App Server

6 months ago 0 replies

Character Sets

6 months ago 1 reply 1

How to remove the maximum values from an array of integers?

6 months ago 22 replies

Need help modifying a method

6 months ago 5 replies 1

i = i + i++ and i = i++ + i

6 months ago 3 replies

Error while running java file via cmd

6 months ago 2 replies 1

How to replicate my Java code using operator switch?

6 months ago 11 replies

can someone help me with this difficult exercise

6 months ago 11 replies

Users of ver107 Firefox with cut-n-paste issues...

6 months ago 0 replies

How can I save user input from a text field within a GUI to a variable?

6 months ago 4 replies

Where should the semicolon be on this lambda clause?

6 months ago 2 replies

Why final objects and why not?

6 months ago 21 replies 2

Tic Tac Toe (again)

6 months ago 7 replies 1

What is the effect of object methods to an interface being functional or nonfunctional?

6 months ago 4 replies

HashMap to CSV file

6 months ago 2 replies

How can I reset my array for each use of the function

6 months ago 2 replies

Java problem: 2d-Arrays

10 months ago 45 replies [ 1, 2 ]
- ◄
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- ...
- 1745
- ►
Forum leaders: Carey Brown Paul Clapham Campbell Ritchie Liutauras Vilda
Java
- Beginning Java 399852
- Java in General 301177
- NIO2 and Try with Resources 290
- Lambdas and Streams 6201
- Jigsaw and Modules 828
- Servlets 130027
- JSP 110547
- JSF 40746
- EJB and other Jakarta/Java EE Technologies 63708
- Web Services 45542
- Swing / AWT / SWT 118908
- Sockets and Internet Protocols 18843
- Threads and Synchronization 28011
- Performance 15788
- I/O and Streams 29492
- Other JSE/JEE APIs 19179
- Game Development 5278
- Distributed Java 9886
- Portals and Portlets 5497
- SOA and ESB 238
- JNLP and Web Start 2712
- JavaFX 8348
- Applets 20601
- Graphics and 3D Programming 389
- Unified Printing API - JSR6 26
- Bluetooth - JSR82 28
- Other JSRs 100

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)