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Best this year

Beginning Java

What difference exactly will come for this case if I override hashcode and equals?

191 replies 1

Beginning Java

Better code for interview question list duplicate characters in a String

92 replies 7

Beginning Java

Proper code format with if/else

57 replies

Beginning Java

Is linked list rarely used in comparison to arrayList?

64 replies 1

Beginning Java

filters

100 replies

Beginning Java

How String constructor work exactly when pass Array?

41 replies 1

Beginning Java

Mooc.fi Part 6 Exercise 9 SimpleDictionary

30 replies 5 3

Beginning Java

Trying to understand the Liskov principle

43 replies

Beginning Java

Are ArrayList and HashMap the most used collections?

49 replies 2

Beginning Java

Sum of two numbers

46 replies

Beginning Java

post operator vs pre operator

17 replies 4

Beginning Java

Iterate and delete TWO items without concurrent modification exception...

36 replies 1

Beginning Java

Should Course class maintained the list of enrolled student in terms of Single responsibility ?

28 replies 1

Beginning Java

Getters and Setters to store user input

76 replies

Beginning Java

How exactly can the interface be used to hide the implementation from the client?

41 replies 1

Beginning Java

java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver

40 replies 3 1

Beginning Java

Sorting an array question?

45 replies

Beginning Java

pattern matching issue when validating String input

53 replies 1

Beginning Java

Create a phone book.

24 replies

Beginning Java

Find longest substring without repeating characters: logic fails in some cases

25 replies 2

More »
Best this month

Beginning Java

Semantics of Singleton instantiation

23 replies

Java in General

Something odd happening.

25 replies 4 2

Lambdas and Streams

Streams vs loops Isnt it better to use loops in nearly all cases

18 replies 2

EJB and other Jakarta/Java EE Technologies

[SOLVED] @JsonProperty Unsuccessfully trying to parse the PascalCase.

15 replies

More »
Most recent

EJB and other Jakarta/Java EE Technologies

e: A JTA EntityManager cannot use getTransaction()

1 month ago 6 replies

Java in General

Reactive approach while adding a reactive library

1 month ago 1 reply

Java in General

Java converting Date to 100 years back

1 month ago 27 replies

JavaFX

Is JavaFX a failed project?

1 month ago 7 replies

Game Development

Icon change color when Player is online

1 month ago 1 reply

JavaFX

Exception in Application start method - Location is not set

1 month ago 1 reply 3

Swing / AWT / SWT

Resizing panels in borderlayout

1 month ago 6 replies 2

Beginning Java

Unsure of how to check for exceptions and input while appending to CSV. Guidance needed

1 month ago 2 replies

Beginning Java

Issues using MergeSort with an object array pulled from a CSV file. Null Pointer Exceptions. Solved

1 month ago 10 replies 1

Beginning Java

Syntax error on token "module", module expected" error

1 month ago 7 replies 1

Java in General

Are you using JDK11(LTS) or still using JDK8?

1 month ago 8 replies

Graphics and 3D Programming

How to wrap a constructor in a default constructor. (Am I saying this wrong?)

1 month ago 2 replies

JavaFX

Why I have to add VM options for Java FX to work?

1 month ago 1 reply

Beginning Java

How to do this HackerRank question - 2D array ?

1 month ago 20 replies

Java in General

Why for-loop is not running entirely and losing data. KEY of the hashtable is not deleted?

1 month ago 6 replies

Threads and Synchronization

Why current code executes only Thread name First in code here

1 month ago 2 replies

Java in General

Why can't local class be declared as static?

1 month ago 10 replies

Java in General

Delete method not deleting hard coded books

1 month ago 30 replies 1

Java in General

Prime Distinct Factors Confusion

1 month ago 3 replies

Servlets

how to read through directory and subdirectory under WebContent ?

1 month ago 1 reply

Java in General

Qualified Name in Java

1 month ago 0 replies

JSF

Problem to use PrimeFaces - no taglibrary exists for that namespace.

1 month ago 13 replies

Java in General

Issue with filename in log4j2 rolling file appender

1 month ago 0 replies

Java in General

Get printer make and model

1 month ago 6 replies

I/O and Streams

Apache Commons: IOUtils.write - how to restrict bytes-stream during write

1 month ago 1 reply

Beginning Java

Can not get my program to loop, and my top row is "null"

1 month ago 7 replies

Java in General

ArrayList of objects is giving me an exception

1 month ago 9 replies

Beginning Java

How to create enumerated constant/type or Enums in Java.?

1 month ago 2 replies

Java in General

static code analysis to find dead code, which takes multiple projects into account?

1 month ago 1 reply
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Beginning Java 390141

Java in General 291384

NIO2 and Try with Resources 258

Lambdas and Streams 5556

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EJB and other Jakarta/Java EE Technologies 63549

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Swing / AWT / SWT 117468

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Threads and Synchronization 27703

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SOA and ESB 237

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Applets 20600

Graphics and 3D Programming 305

Unified Printing API - JSR6 26

Bluetooth - JSR82 28

Other JSRs 89