Explain Codes LogoExplain Codes Logo

Java

How to fluently build JSON in Java?

java
json-engineering
object-mapping
builders

What are the best use cases for Akka framework

java
concurrency
asynchronous-programming
distributed-systems

How do I programmatically determine operating system in Java?

java
os-detection
advanced-os-handling
systemutils

How to create custom exceptions in Java?

java
custom-exceptions
exception-handling
java-best-practices

Downloading a file from Spring controllers

java
spring
file-downloading
rest-api

Adding two Java 8 streams, or an extra element to a stream

java
stream-engineering
java-8
best-practices

Convert JSON to Map

java
json-parsing
objectmapper
gson

Ant warning: "'includeantruntime' was not set"

java
ant
classpath
build-process

How to declare an ArrayList with values?

java
list-declaration
arraylist
java-8

H2 in-memory database. Table not found

java
database
jdbc
spring

Error: Could not find or load main class in IntelliJ IDE

java
intellij-ide
error-handling
java-configuration

Converting 'ArrayList to 'String[]' in Java

java
prompt-engineering
functions
collections

Update Eclipse with Android development tools v. 23

java
android-development
eclipse-upgrade
adt

Convert Kotlin Array to Java varargs

java
list-to-array
nullable-concerns
primitive-types

How do we count rows using older versions of Hibernate (~2009)?

java
hibernate
hql
query-language

Collections.emptylist() returns a List<Object>?

java
type-inference
collections
best-practices

Display current time in 12 hour format with AM/PM

java
date-formatting
time-zone
locale

Iterating through a list in reverse order in java

java
list-iteration
reverse-order
iterators

Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss

java
heap-dump
memory-leaks
jvm-configuration

Best way to create an empty map in Java

java
singleton
collections
hashmap