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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)

An interesting point for if-else structure

18 replies

Programmer Certification (OCPJP)

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

7 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

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

10 replies 1

Beginning Java

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17 replies

Beginning Java

Is something wrong with my code?

12 replies 1

Beginning Java

What is Overhead?

12 replies 1

Beginning Java

How to do this HackerRank question - 2D array ?

20 replies

Beginning Java

Generic classes

11 replies

Beginning Java

negative numbers

10 replies

Beginning Java

Head First Java - Unit Testing Guidelines?

6 replies

Associate Certification (OCAJP 7/8)

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

9 replies

HTML Pages with CSS and JavaScript

Trigger Enter Key Event

9 replies

HTML Pages with CSS and JavaScript

Onclick event gets fired only once?

7 replies

Servlets

How to retrieve json parameters on the server side servlet?

4 replies

Beginning Java

Undefined Label with jmp1

5 replies

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Most recent

Programmer Certification (OCPJP)

I passed the Java 11 1Z0-819 exam

3 weeks ago 10 replies 1

HTML Pages with CSS and JavaScript

Question about event tracking

2 weeks ago 1 reply

Beginning Java

Check if user input it's present in an array

2 weeks ago 2 replies

Certification Results

Passed Java 11 Developer Professional

2 weeks ago 3 replies

Servlets

Servlet giving runtimeexception in Netbeans IDE 12 and Apache tomcat 9.0.41 in MacOS

2 weeks ago 15 replies 4

Programmer Certification (OCPJP)

Course : Java SE: Programming Complete free course offer on Oracle University

2 weeks ago 22 replies 2

Programmer Certification (OCPJP)

Learn security or not?

2 weeks ago 1 reply

Programmer Certification (OCPJP)

ResultSet and Underlying Database Question

2 weeks ago 0 replies

Java in General

no value return in searching date range

2 weeks ago 0 replies

Programmer Certification (OCPJP)

Practice exam 3 question 1

2 weeks ago 1 reply

Cloud/Virtualization

Would like to ask Lucian Maly a question to win the book

2 weeks ago 1 reply

Web Services

Ajax post is truncating my data - I found information to update web.config - I only have web.xml

2 weeks ago 5 replies

Servlets

How to retrieve json parameters on the server side servlet?

2 weeks ago 4 replies

HTML Pages with CSS and JavaScript

Trigger Enter Key Event

2 weeks ago 9 replies

Web Services

validating SSL certificate using java Apache http client

2 weeks ago 7 replies

Cloud/Virtualization

AWS CloudFormation instead of Terraform?

2 weeks ago 4 replies

Java in General

To make object variable of one class in another class private.

2 weeks ago 8 replies

Java in General

Memory Leak in Java executor

2 weeks ago 2 replies

Servlets

How to create a view of two tables, depending on foreign key with Java Servlets?

2 weeks ago 9 replies 4

Programmer Certification (OCPJP)

Need help to understand a question about Streams

2 weeks ago 1 reply

Cloud/Virtualization

* Welcome Lucian Maly

2 weeks ago 10 replies 1 1

C# and .NET

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Beginning Java

Confused about Java program

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Reactive Progamming

JDBC Client in vertx

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Go to forum

Best this year

Advent of Code 2020

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

Better code for interview question list duplicate characters in a String

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

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

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

1Z0-819 Exam Feedback

Overriding equals(Object) and hashCode()

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

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

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

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

Writing notes before actual coding?

Proper code format with if/else

Is linked list rarely used in comparison to arrayList?

filters

How String constructor work exactly when pass Array?

junit test with a stream

Mooc.fi Part 6 Exercise 9 SimpleDictionary

Trying to understand the Liskov principle

Best this month

An interesting point for if-else structure

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

compare and compareTo method

Semantics of Singleton instantiation

Fizzbuzz type problem

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

if else selection in Java

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

Confused about Java program

Is something wrong with my code?

What is Overhead?

How to do this HackerRank question - 2D array ?

Generic classes

negative numbers

Head First Java - Unit Testing Guidelines?

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

Trigger Enter Key Event

Onclick event gets fired only once?

How to retrieve json parameters on the server side servlet?

Undefined Label with jmp1

Most recent

I passed the Java 11 1Z0-819 exam

Question about event tracking

Check if user input it's present in an array

Passed Java 11 Developer Professional

Servlet giving runtimeexception in Netbeans IDE 12 and Apache tomcat 9.0.41 in MacOS

Course : Java SE: Programming Complete free course offer on Oracle University

Learn security or not?

ResultSet and Underlying Database Question

no value return in searching date range

Practice exam 3 question 1

Would like to ask Lucian Maly a question to win the book

Ajax post is truncating my data - I found information to update web.config - I only have web.xml

How to retrieve json parameters on the server side servlet?

Trigger Enter Key Event

validating SSL certificate using java Apache http client

AWS CloudFormation instead of Terraform?

To make object variable of one class in another class private.

Memory Leak in Java executor

How to create a view of two tables, depending on foreign key with Java Servlets?

Need help to understand a question about Streams

* Welcome Lucian Maly

.NET could not fine any installed .NET Core SDKs after installing and restarting computer

Confused about Java program

JDBC Client in vertx

Top Forums

Java

Mobile

Certification

Databases

Caching

Books

Engineering

Micro Controllers

OS

Languages

Paradigms

IDEs