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Beginning Java

Search with Like in Derby DB not working

8 replies

Java in General

Sending multiple attachment files with javamail

22 replies 3 3

Programming Diversions

Advent of Code 2020

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Beginning Java

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

191 replies 1

Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

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10 replies 1 3

Programmer Certification (OCPJP)

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17 replies 3

Programmer Certification (OCPJP)

Overriding equals(Object) and hashCode()

44 replies 1

Beginning Java

Interview question doubt

42 replies

Beginning Java

Passing objects by value instead of by reference (Java 16.0.1)

48 replies

Beginning Java

Is it advisable to use getters and setters in Java?

40 replies

Beginning Java

Java Beginner Challenge Problem

21 replies

Beginning Java

Return a distinct & sorted Stream

51 replies 1

Beginning Java

why this bubble sort only passed 1 test and failed the other ?

48 replies 3 1

Beginning Java

How Can I Teach My Child Coding?

23 replies 1

Beginning Java

What are Anonymous objects exactly ?

55 replies

Beginning Java

Create triangle of asterisks with StringBuilder in one loop

36 replies

Beginning Java

How String constructor work exactly when pass Array?

41 replies 1

Beginning Java

Trying to understand the Liskov principle

43 replies

Beginning Java

Are ArrayList and HashMap the most used collections?

49 replies 2

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Best this month

Beginning Java

Search with Like in Derby DB not working

8 replies

Programmer Certification (OCPJP)

Do not use an IDE such as IntelliJ

9 replies 1

Programmer Certification (OCPJP)

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9 replies

Programmer Certification (OCPJP)

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4 replies 2

Programmer Certification (OCPJP)

$ in identifiers in mock exams

5 replies

Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

what can be presumed outside/in other module-info.java files

9 replies

Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

OCP Java SE 11 Programmer I Study Guide (Sybex) Possible Errata Bonus Exam 2

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Programmer Certification (OCPJP)

If java has pointers

2 replies 1

Beginning Java

Is it advisable to use getters and setters in Java?

40 replies

Beginning Java

Java enum code structure

20 replies

Beginning Java

Interface as a type

15 replies

Beginning Java

Based on UML class diagram

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Beginning Java

my linear search logic went wrong why?

13 replies

Beginning Java

Polymorphism with Switch statement based on Uml diagram

18 replies

Beginning Java

The method sort(Comparator<? super Employee>) in the type List<Employee> is not applicable

18 replies

Servlets

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Java in General

call to super must be first statement in constructor?

4 minutes ago 4 replies

Programmer Certification (OCPJP)

Comparing 2 Strings with 1?

1 hour ago 24 replies

Swing / AWT / SWT

Why did not JMenuBar change?

5 hours ago 12 replies

Java in General

How to detect and prevent integer overflow when multiplying an integer by float in Java?

5 hours ago 42 replies [ 1, 2 ] 1

Functional programming

* Winners: Functional Design and Architecture

9 hours ago 3 replies 1

Functional programming

Functional Design and Architecture - Do you need monads?

10 hours ago 2 replies

Functional programming

Functional Design and Architecture - CAP

11 hours ago 1 reply

Beginning Java

Polymorphism with Switch statement based on Uml diagram

11 hours ago 18 replies

I/O and Streams

OutOfMemoryError when trying to read large data

12 hours ago 12 replies 1

Beginning Java

Manager method or...?

14 hours ago 5 replies

Java in General

need help in this please with detailed answer

14 hours ago 2 replies

Java in General

How can I access value which are present in EmailOperation class add method ?

15 hours ago 5 replies

Programmer Certification (OCPJP)

Chapter 1 - Page 24 - Clarifications on classpath options for javac

15 hours ago 0 replies

Java in General

I want to check some Email validation in EmailOperation class but it return null how can I do it?

15 hours ago 4 replies

Game Development

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16 hours ago 327 replies [ 1, 2, 3 < ... <7, 8, 9 ] 62

Java in General

writing enum types to a text file?

16 hours ago 13 replies

Beginning Java

How do I fix an "illegal start of expression" error?

16 hours ago 7 replies

Beginning Java

The method sort(Comparator<? super Employee>) in the type List<Employee> is not applicable

17 hours ago 18 replies

Meaningless Drivel

Who Watched Shatner's Spontaneous Monologue Upon Return to Earth??

17 hours ago 5 replies

Beginning Java

Hundred Gertrude Slant pattern

18 hours ago 5 replies 2

Wiki

Book Promotions Winners Page

18 hours ago 64

Wiki

Book Promotions Schedule

18 hours ago 2

Java in General

Sending Email with Java

18 hours ago 4 replies

Jobs Discussion

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1 day ago 8 replies

Functional programming

Functional Design and Architecture - language choice and overall benefits?

1 day ago 3 replies 1

Certification Results

Passed Spring Professional 5 with 80%

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Beginning Java

help with a java inheritance code

1 day ago 2 replies 1

C# and .NET

In many jobs description I've seen that they want me to know .net, my question is which version

1 day ago 2 replies 1

Programmer Certification (OCPJP)

dimension expression vs array initializer

16 years ago 5 replies

Spring

Thymeleaf validations not working

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