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Best this year

Programming Diversions

Advent of Code 2020

169 replies 1 1

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

Programmer Certification (OCPJP)

Sybex 816, contribution to errata of Java OCP 11 Programmer II Study Guide

34 replies 1

Programmer Certification (OCPJP)

$25 Java 1Z0-819 exam in honor of Java's 25th anniversary thru April 25th

44 replies 1 2

Programmer Certification (OCPJP)

Oracle announces new Java OCP 11 1Z0-819 Exam!

47 replies 2 2

Programmer Certification (OCPJP)

1Z0-819 Exam Feedback

17 replies 3

Programmer Certification (OCPJP)

Overriding equals(Object) and hashCode()

44 replies 1

Programmer Certification (OCPJP)

* Winners: OCP Oracle Certified Professional Java SE 11 Developer Practice Tests

9 replies 1 3

Programmer Certification (OCPJP)

Sybex OCP11-Complete - Chapter-3 - Increment and Decrement Operators - Lion and Tiger - Kindle

14 replies 2

Programmer Certification (OCPJP)

String Constant Pool Behavior -- In Or Out of Scope for 819?

37 replies

Programmer Certification (OCPJP)

Errata OCP Java SE 11 Programmer I Study Guide - Chapter 1 Review Question 16

16 replies

Beginning Java

Writing notes before actual coding?

46 replies 3 2

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

Testing

junit test with a stream

32 replies 1 3

Beginning Java

Mooc.fi Part 6 Exercise 9 SimpleDictionary

30 replies 5 3

Beginning Java

Trying to understand the Liskov principle

43 replies

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Best this month

Programmer Certification (OCPJP)

Passed 1Z0-819-J, a Solutions Architect tale

7 replies

Programmer Certification (OCPJP)

When does the javac Command Require the -cp Option/Flag for Specifying a .class file

13 replies

Programmer Certification (OCPJP)

compare and compareTo method

6 replies

Beginning Java

Semantics of Singleton instantiation

23 replies

Beginning Java

Fizzbuzz type problem

33 replies

Beginning Java

Is this a loop? or what? Help me please.

21 replies

Beginning Java

if else selection in Java

15 replies

Beginning Java

Confused about Java program

17 replies

Beginning Java

Is something wrong with my code?

12 replies 1

Beginning Java

Button problem

13 replies

Beginning Java

Interned Strings?

5 replies 2 1

Beginning Java

Generic classes

11 replies

Beginning Java

Different behavior between T... and T[]

11 replies

Beginning Java

negative numbers

10 replies

Beginning Java

Head First Java - Unit Testing Guidelines?

6 replies

Associate Certification (OCAJP 7/8)

Declaring and traversing through Multi-Dimensional arrays

6 replies

Associate Certification (OCAJP 7/8)

conditional operator behavior from OCA/OCP Java SE 8 Programmer Practice Tests CH3Q46

9 replies

Servlets

How to retrieve json parameters on the server side servlet?

5 replies

HTML Pages with CSS and JavaScript

Trigger Enter Key Event

9 replies

Beginning Java

Undefined Label with jmp1

5 replies

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Most recent

Beginning Java

Overriding static methods?

1 day ago 4 replies

Java in General

Formatting hyphen-separated String object in a special way

1 day ago 14 replies

NIO2 and Try with Resources

How can I read file in FileSystem with the FIFO principle ?

1 day ago 7 replies 1

Swing / AWT / SWT

How to use JTree

2 days ago 3 replies

Java in General

* Winners: Java Challengers

2 days ago 1 reply

Beginning Java

Interface and exceptions

2 days ago 1 reply

Wiki

Book Promotions Winners Page

2 days ago 32

Wiki

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2 days ago 4

JSF

JSF 2.3 and custom converters

2 days ago 17 replies

Java in General

How to .split() a .txt file in Java

2 days ago 12 replies 1

Beginning Java

Preferred way to access Instance Variable in methods?

2 days ago 4 replies

Beginning Java

Interned Strings?

2 days ago 5 replies 2 1

Android

NullPointerException error

2 days ago 6 replies

Meaningless Drivel

Topsy Turvy

2 days ago 11 replies 1

Java in General

Question Java Challengers Rafael Chinelato del Nero

2 days ago 22 replies

Java in General

commons-config-1.x library conflict. Two versions in the lib directory but only one recognized

2 days ago 0 replies

JDBC and Relational Databases

How do I design Java code (Servlet) for Connection Pooling?

2 days ago 3 replies

Beginning Java

Java program

2 days ago 2 replies

Spring

What is the flow of authenticating requests in Spring security?

2 days ago 8 replies

Jython/Python

I need help implementing a for loop and a parameter

3 days ago 3 replies

Java in General

Java challengers — Level range towards teaching Java fundamentals

3 days ago 1 reply

Graphics and 3D Programming

Building a Free Library of Images for Everyone

3 days ago 174 replies [ 1, 2, 3, 4, 5 ] 38

Web Services

how to create a swagger schema where the latter field is derived from the former field

3 days ago 4 replies

JavaFX

Slowing down the JavaFX application while drawing charts for a long time

3 days ago 0 replies

Jython/Python

Help with a project

3 days ago 4 replies 1

Android

Why is Google's ML Face Detection Kit crashing on .process()

3 days ago 16 replies

Beginning Java

Replace some part of array List

3 days ago 10 replies

JDBC and Relational Databases

How come I need to register driver (Class.forName() method)in JavaEE, but not in JavaSE projects?

3 days ago 2 replies

Android

Clear history onBackPressed

4 days ago 0 replies
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