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Java in General

Stuff that is past the beginners stage

Important Links: Java FAQ

Best this year

* Welcome Allen B. Downey & Chris Mayfield

27 replies

HashMap implementation

15 replies 1

Reconciling Java date/time with GPS times and leap seconds

10 replies 1

Java in General

Which way of learning as developer do you prefer, video tutorials or reading a book?

29 replies 1

Is while (1) loop possible in Java ?

12 replies 1

Total Loaded Classes is Increasing During Runtime according to JVisualVM

5 replies 2

How can I get this algorithm to work correctly ?

19 replies 3 1

Connected Graph using Adjacency Matrix

47 replies 10

java challange

35 replies 1

Having problems reading data from a file and filling an ArrayList

25 replies 2 1

Switch Case and enum

49 replies 5

Why prefer char[] over String for password?

46 replies 1 11 3

Teaching Java and OOP

59 replies 2

Java String has an extra space and the file starts with ÿþ

15 replies 1

Java in General

Building my own computer and compiler

60 replies 1

How to structure a class with optional parameters

44 replies 2

getBytes() with UTF-8 and UTF-16

13 replies 3 1

Relationship of Comparable and Comparator interfaces in Java.

35 replies 3

Java in General

Store String and array of digits

48 replies 2

Does this feature exist? (returning downcasted object by method's argument or diamond interface)

9 replies 3

More »
Best this month

Java in General

Which way of learning as developer do you prefer, video tutorials or reading a book?

29 replies 1

How to structure a class with optional parameters

44 replies 2

Does this feature exist? (returning downcasted object by method's argument or diamond interface)

9 replies 3

REGEX pattern

29 replies 1

Why should these interfaces not inherit from each other?

17 replies 1

JTable to Direct Email (not as an attachment?)

34 replies

Unresolved Compilation Problem

9 replies 2

Split variables+its values from txt files the store into arrayList

22 replies

Java in General

What happens with all the new Java9 books if Jigsaw isn't going to make it in Java9

5 replies 1

Storing data in an arraylist

17 replies

Java in General

What is the good practice of java heap ?

16 replies

Java in General

Timeout affects another test

6 replies 1

Java in General

Finding the time taken for program to execute

9 replies 1

print only the single and multiple line comments when reading a java sample code

37 replies

Java in General

Encapsulation and GUI

13 replies

Encapsulation and Getters

18 replies

javax.persistence.Entity doesn't exists

1 reply 1

Intro, book(s) question, another language assistance, and final vague question

7 replies

reading text file with specific format

13 replies

How to run a task every month using Java

13 replies

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Java in General Forum at JavaRanch

How to create and share a JAR file

1 year ago 3 replies

Excel file processing issue in Java

1 year ago 5 replies 1

Encapsulation in Java

1 year ago 3 replies

assigning (locatoin) Points to Enum Direction to move avatar--syntax

1 year ago 3 replies

Beginning Java

Take Free Online Java Practice Tests (And You Might Win A $100 Amazon Gift Card)

1 year ago 97 replies [ 1, 2, 3 ]

Reactive Builder Pattern

1 year ago 1 reply

Using Reflection to access a file not available while compiling Java class File

1 year ago 3 replies

Trouble running a .jar file

1 year ago 24 replies

Java Inner Class

1 year ago 9 replies 1

Unable to launch application

1 year ago 5 replies

Forward references with array elements

1 year ago 2 replies 1

Executing SQL queries in JAVA using JDBC

1 year ago 6 replies

JNI - 80/128-bit Math, Object reference to void pointer

1 year ago 0 replies

How to Delimit A Number

1 year ago 16 replies

Aprilaire HVAC 8825 Java Web App Problem

1 year ago 11 replies

Who writes Documentation in Source code?

1 year ago 8 replies 3

Event Listeners from other classes?

1 year ago 6 replies 1

A good way to sort a List into categories?

1 year ago 6 replies

Discussion on Designing reservation system

1 year ago 7 replies 1

Which Java collection would be the best suited.

1 year ago 8 replies 1

Calculate a Time Based on Known Date Plus Decimal Hours

1 year ago 2 replies

Calculate Hours is Returning Negitive Value

1 year ago 1 reply

JUnit Tests

1 year ago 1 reply

JAVA: accessToken (DropboxAPI) How To Save?

1 year ago 1 reply

Counting character comparisons with KMP substring search.

1 year ago 3 replies

Mission Java for 2016

1 year ago 2 replies

Divide Arraylist into several parts

1 year ago 8 replies

How to set TLS1.2 version in Java7

1 year ago 1 reply

static

1 year ago 2 replies 2

Reading the Event Log

1 year ago 3 replies

Java MySql WordPress

1 year ago 5 replies 1

Is it a good programming practice to use final keyword in method parameter ?

1 year ago 7 replies 1

controlling an application by sending keystrokes from Java

1 year ago 9 replies 1

Associate Certification (OCAJP 7/8)

Is true really equal to false?

1 year ago 26 replies 1

Cross compiling Java SE application included Device I/O API on Linux desktop for Embedded Devices

1 year ago 2 replies
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