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Java in General

Stuff that is past the beginners stage

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Best this year

Remove the element of ArrayList and List in for-loop indexes?

93 replies 8

The next column word as translate

56 replies 3

Java in General

Should use for each or for loop for primitive array?

89 replies 2 1

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

86 replies 2

Java in General

Finding all physical or logical drives, reading raw data

34 replies 1

What about records?

30 replies 2

The method sort(List<T>) not applicable for the arguments (ArrayList<Integer>)

44 replies 1

My Java program is not adding my new feature age

70 replies 4 1

Avoiding Stack overflow during recursion

27 replies 5

When to convert field to local variable?

39 replies 2

Multithreading calculations

25 replies

.exe application not working and can't figure out why

33 replies 3 1

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

45 replies 1

String.format right-justified with '$' symbol and comma seperation

23 replies 1

HashMap doesn't show/contain the keys!

38 replies 1

generics - why doesn't Optional orElseThrow compile?

8 replies 3

Overriding a method for a Custom Input Stream

33 replies

help please with errors

129 replies

how to explain the following results for String.split function with different Greedy quantifiers

6 replies

How to improve back end side?

20 replies 2

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Best this month

Java in General

Finding all physical or logical drives, reading raw data

34 replies 1

Generate random floating point numbers from min (inclusive) to max (inclusive)

35 replies

Advantages of Java

10 replies 1

Write a minimal fixed length format file

10 replies 2

pidove, an alternative to the Java Streams API

16 replies

Replacing smart quotes and smart apostrophies

15 replies 1

Why the same algorithm does not print out the input array ?

7 replies

Java in General

mvn clean install fails. Says any packages from JDK do not exist.

15 replies

Java in General

I have doubts about DTOs

3 replies

Java in General

How to work with thymeleaf when input has type file?

3 replies

Java in General

Where is the implementation of the query() method?

12 replies

Java in General

Reentrant lock value is not shared between threads

7 replies

Why sometimes, in threads, do you have to put sleep in a loop in the run method?

3 replies

Sorting a List with Collect

6 replies

Write a Java file specifing encoding and new line for Linux

7 replies

Selenium

6 replies

I need help in Insertion Sort using ArrayList

9 replies

Java in General

New release of the Gridfour open-source java library

0 replies 1

Java in General

In your work do you see that web development for trainners is "saturating post-pandemic"?

3 replies

List.of why no UnsupportedOperationException?

2 replies

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Java in General Forum at JavaRanch

JDBC and Relational Databases

ERROR: invalid input syntax for type time: “128" - JDBC, Java, PSQL

6 months ago 6 replies

Java Logging

6 months ago 1 reply

Create a Factory class in Java.

6 months ago 22 replies

new Coding Programs/projects

6 months ago 1 reply

Java

6 months ago 0 replies

Eclipse Code Commit

6 months ago 2 replies

weka problem

6 months ago 6 replies

JDBC and Relational Databases

Cursor state not valid

6 months ago 17 replies

How to figure out which programs use log4j?

6 months ago 8 replies 1 1

coding better Java

6 months ago 7 replies 1

JDBC Error: Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/DatatypeConver

6 months ago 6 replies

Is System.err.print() slower than System.out.print()?

6 months ago 9 replies

Java in General

LDAP authentication using Spring Boot

6 months ago 3 replies

How to convert Unicode code points to human readable form and print using System.out.println() ?

6 months ago 9 replies

Two entities, Orderby on two fields of each entity, is that posible with JPA?

6 months ago 5 replies

Netbeans Corba Plugin

6 months ago 2 replies 1

I can't get my snake head to move in Java

6 months ago 35 replies

NEED HELP - Java HashSet return the minimum in a set

6 months ago 9 replies 1

My java game's result isn't completely correct

6 months ago 1 reply

WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs

6 months ago 5 replies

Java Developer: Roles & Responsibilities, Skills, Salary, And More

6 months ago 1 reply

Is this the correct format for a rolling file appender for log4j2?

6 months ago 5 replies

Java in General

Cannot get log4j2 to work correctly..

6 months ago 4 replies

log4j exclusion - Maven

6 months ago 2 replies

Java SpringMVC OutOfMemoryError

6 months ago 3 replies

Complexity Analysis

6 months ago 8 replies

NullPointerException help

6 months ago 5 replies

Log4J Vulnerability (Maven issue)

6 months ago 6 replies

I'm trying to create a Hashmap using the random numbers generated from the code, any ideas?

1 year ago 12 replies

ClassNotFoundException

1 year ago 9 replies

Public Service Announcement: Java Is Still Free!

3 years ago 16 replies 3
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