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Beginning Java

Search with Like in Derby DB not working

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Java in General

Sending multiple attachment files with javamail

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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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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?

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Beginning Java

Trying to understand the Liskov principle

43 replies

Beginning Java

Are ArrayList and HashMap the most used collections?

49 replies 2

More »
Best this month

Beginning Java

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Programmer Certification (OCPJP)

Do not use an IDE such as IntelliJ

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Programmer Certification (OCPJP)

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5 replies

Programmer Certification (OCPJP)

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9 replies

Programmer Certification (OCPJP)

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Programmer Certification (OCPJP)

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

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Programmer Certification (OCPJP)

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5 replies

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2 replies

Programmer Certification (OCPJP)

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

2 replies

Beginning Java

Is it advisable to use getters and setters in Java?

40 replies

Beginning Java

Polymorphism with Switch statement based on Uml diagram

23 replies

Beginning Java

Java enum code structure

20 replies

Beginning Java

What is the variable's initial value?

17 replies 1

Beginning Java

How do I turn String "28,5892.22" into Double?

13 replies

Beginning Java

Interface as a type

15 replies

Beginning Java

Based on UML class diagram

42 replies

Beginning Java

my linear search logic went wrong why?

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Beginning Java

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

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Most recent

Beginning Java

Reading a file from disk

2 minutes ago 15 replies

Performance

Is it necessary to clear and set to null for List, Map,...?

30 minutes ago 7 replies

Java in General

Eclipse 2020-12 and JDK-16

40 minutes ago 1 reply

JForum

powered by JForum

40 minutes ago 8 replies

Threads and Synchronization

I find it extremely difficult to detect deadlocks. Does anyone have any tips?

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Beginning Java

Using Formatter + StringBuilder together

1 hour ago 2 replies

Java in General

BufferedReader

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Jython/Python

Difference between using format(my_var) and str(my_var)

2 hours ago 5 replies

Beginning Java

One Class per file, or all classes in one file

2 hours ago 2 replies

Maven

Maven or Ant?

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Java in General

Implementing deeplinks in a webapp

3 hours ago 2 replies

Beginning Java

How to read the data in excel with poi jar?

3 hours ago 3 replies

Beginning Java

What is the variable's initial value?

4 hours ago 17 replies 1

Associate Certification (OCAJP 8)

Garbage Collection

4 hours ago 1 reply

Other Open Source Projects

FTPClient yielding invalid IP6 address

6 hours ago 9 replies

Blatant Advertising

How to open EDB file without Exchange server?

7 hours ago 1 reply

I/O and Streams

Which directory does the java.io locate?

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Beginning Java

What is the difference between using a variable directly and using a method that returns it?

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Other Big Data

What makes the number of output files in pyspark output keep varying

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Beginning Java

Rule: When you put two classes in the same file, at most one of the classes is allowed to be public

13 hours ago 3 replies 1

Java in General

Avoiding Stack overflow during recursion

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Beginning Java

How do I turn String "28,5892.22" into Double?

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Java in General

class key word in java, SQL Table, Positive Data & negative Data in Computer Programming, Interview

19 hours ago 11 replies

Developer Certification (OCMJD)

Program Control Flow

20 hours ago 2 replies 1

Security

API vs UI Authentication

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Java in General

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Testing

How to Execute Test Cases Declared with JUnit5 @Suite

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Beginning Java

Java objects acting differently

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HTML Pages with CSS and JavaScript

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22 hours ago 2 replies

Cloud/Virtualization

AWS S3 objects not expiring

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Go to forum

Best this year

Search with Like in Derby DB not working

Sending multiple attachment files with javamail

Advent of Code 2020

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

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

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

1Z0-819 Exam Feedback

Overriding equals(Object) and hashCode()

Interview question doubt

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

Is it advisable to use getters and setters in Java?

Java Beginner Challenge Problem

Return a distinct & sorted Stream

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

How Can I Teach My Child Coding?

What are Anonymous objects exactly ?

Create triangle of asterisks with StringBuilder in one loop

How String constructor work exactly when pass Array?

Trying to understand the Liskov principle

Are ArrayList and HashMap the most used collections?

Best this month

Search with Like in Derby DB not working

Do not use an IDE such as IntelliJ

$ in identifiers in mock exams

OCP Java SE 11 Programmer II Study Guide (Sybex 816) Possible Errata Chapter 6

Sybex 815 Chapter 1 practice question 15

Sybex CSG tb617624.JaSE11PrgIISG.be2.68

Java SE 11 Developer Practice Tests (2021) Possible Errata Chapter 3

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

OCP Java SE 11 Programmer I Study Guide (Sybex) Possible Errata Bonus Test 2 Overriding/Overridden

OCP 815 Study Guide (Sybex) non-short-circuit Operator Question in Bonus Exam 1

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

Is it advisable to use getters and setters in Java?

Polymorphism with Switch statement based on Uml diagram

Java enum code structure

What is the variable's initial value?

How do I turn String "28,5892.22" into Double?

Interface as a type

Based on UML class diagram

my linear search logic went wrong why?

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

Most recent

Reading a file from disk

Is it necessary to clear and set to null for List, Map,...?

Eclipse 2020-12 and JDK-16

powered by JForum

I find it extremely difficult to detect deadlocks. Does anyone have any tips?

Using Formatter + StringBuilder together

BufferedReader

Difference between using format(my_var) and str(my_var)

One Class per file, or all classes in one file

Maven or Ant?

Implementing deeplinks in a webapp

How to read the data in excel with poi jar?

What is the variable's initial value?

Garbage Collection

FTPClient yielding invalid IP6 address

How to open EDB file without Exchange server?

Which directory does the java.io locate?

What is the difference between using a variable directly and using a method that returns it?

What makes the number of output files in pyspark output keep varying

Rule: When you put two classes in the same file, at most one of the classes is allowed to be public

Avoiding Stack overflow during recursion

How do I turn String "28,5892.22" into Double?

class key word in java, SQL Table, Positive Data & negative Data in Computer Programming, Interview

Program Control Flow

API vs UI Authentication

Confused about the result of this 2D Diganol Matrix results

How to Execute Test Cases Declared with JUnit5 @Suite

Java objects acting differently

How do I keep bot visible and active as parent web pages change?

AWS S3 objects not expiring

Top Forums

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