java.md

Java

• Java Koans
• awesome-java - A curated list of awesome Java frameworks, libraries and software. Inspired by awesome-python
• Java Concept Of The Day
• Java Puzzle 9: Tweet
• codingbat.com/java
• Java Generics FAQs - Frequently Asked Questions
• [Java] 제네릭의 비애
• 토비의 봄 TV 4회 (1) 자바 Generics
• 토비의 봄 TV 4회 (2) Generics에서 와일드카드 활용법, 람다와 인터섹션 타입을 이용한 동적인 기능확장법
• Java의 함수형 프로그래밍이 생각보다 위험하지 않은 이유
• Keyword extraction in Java
• Extracting meaningful text from webpages
• Extracting (meaningful) text from webpages - II
• A note on Matrix Multiplication in Java
• A Simple URL Shortening Algorithm in JAVA
• String
  • 20 Things You Should Know About Strings In Java
• Polymorphism: Why use "List list = new ArrayList" instead of "ArrayList list = new ArrayList"
• 10 Tricky Core Java Interview Coding Questions
• 133 Core Java Interview Questions Answers From Last 5 Years - The MEGA List
• Java bytecode hacking for fun and profit
• The Escape of ArrayList.iterator()
• Game of Life, hash tables and hash codes
• regular expression
  • ip address
    • Matching Numeric Ranges with a Regular Expression
    • How to validate IP address with regular expression
• [Java Concurrency Utilities](java.util.concurrent - Java Concurrency Utilities)
• What Are C, C++, and Java Used For?
• Java! Real or Not?
• Intersection of two Sets optimized way in Java
• java 성능에 대한 오해와 편견
• 서버 성능에 대한 정의와 이해 ver1.2
• Java Micro Frameworks: The New Trend You Can’t Ignore Spark, Ninja, Jodd
• Better Java - Resources for writing modern Java
• A persistent KeyValue Server in 40 lines and a sad fact
• OpenJDK’s java.utils.Collection.sort() is broken: The good, the bad and the worst case?
• Java in Flames
• Top 10 Mistakes Java Developers Make
• Boosting Java Performance using GPGPUs
• Building Memory-efficient Java Applications: Practices and Challenges
• Tuning Java Servers
• [자바 20주년 특집] 튜링팀과 람다팀, 그리고 자바
• Programming Coordinated Behavior in Java
• Comparison of Asynchronous Data Loading in Java Futures, Callbacks and Wrapper classes, Observers, RxJava
• Resources for writing modern Java
• Fuzzy string matching using cosine similarity
• DETECTING A PERMGEN MEMORY LEAK IN A JAVA JBOSS APPLICATION
• 9회 공감세미나_세션 1_자바 탄생 이야기
• Unrolling loops at runtime with Byte Buddy
• Functional Reactive Programming in Java
• Venkat Subramaniam — Reactive Programming: creating highly responsive applications
• How does Java Both Optimize Hot Loops and Allow Debugging
• Java로 트레이 아이콘 등록하기
• 좌충우돌 ORM 개발기 | Devon 2012
• The Java Deserialization Bug
• Java로 OTP 구현하기
• Java로 클래스 간 이벤트 통신하기
• AES256 암호화 Java 샘플
• Effective java
  • 안드로이드 개발자를 위한 이펙티브 자바 치트시트
• 자바 한글 필기체 인식 프로그램 제작 노트
• 오픈소스 Java 테스트 프래임웍 7선
• Creating a memory leak with Java
• Introduction to BCI
• Java-Callback Implementation an event callback like C# using Java
• OpenJDK 적용시 고려해야 할 점
• [JAVA] IntelliJ+gradle+bitbucket으로 빌드환경 구성하기(MAC)
• Java Tools and Technologies Landscape Report 2016
• 자바 웹 애플리케이션­­­ 성능에 영향을 미치는 대표적인 문제 유형
• 초보 개발자를 위한 스택트레이스 읽는 법
• [Java vs .NET] void
• Artificial Intelligence and Java
• [HD] 케빈 TV 5회 - 1부 Java, Back to Basics
• [HD] 케빈 TV 5회 - 2부 코딩 좀 끝냅시다! + 수다
• 토비의 봄 TV 1회 - 재사용성과 다이나믹 디스패치, 더블 디스패치
• [Live] 케빈TV S02 - 게릴라 방송 5회 - 자바 유료화? 그 진실은?!
• [Live] Java: 그가 final로 도배 하는 이유 / 컴파일러 너 내 String 어떻게 했어?! (2017-03-03)
• Java에서 Screen Capture
• Finding Points Within a Distance of a Latitude/Longitude Using Bounding Coordinates
• 로우-레벨 자바
  • 고속 병렬 집계
  • 오프힙 메모리
  • JMH로 알아보는 오토 박싱의 부하
  • 스레드 스택 진단
• 공공데이터포털 오픈 API를 이용한 우편번호 검색 (도로명+지번 주소)
• Java의 Exception(예외) 처리
• Preventing null pointer exceptions at compile time by Michael Ernst and Werner Dietl
• 소소한 자바 이야기 - Number와 Locale
• 오버로딩(Overloading) / 오버라이딩(Overriding)
• Java Enum 활용기

API

• JAVA 자료구조의 활용 (Collection Framework)
• Util클래스 어디까지 써봤니? 일 편하게 하는 유틸성 클래스
• annotation
  • Annotation Processor 101 — Your First Custom Annotation
  • Annotation Processing : Don’t Repeat Yourself, Generate Your Code
• class
  • [Java] 4대 중첩 클래스(내부 클래스)
• Collections
  • Collections.compare(JDK, Eclipse, Guava, Apache...); by Lima, Nanivadekar and Raab
• Comparable, Comparator
  • Java 배열 및 ArrayList를 Comparable과 Comparator를 이용해 정렬하기
• datetime
  • How to get previous day using datetime
• java.util.Properties
  • java.util.Properties
• Math
  • Math 클래스의 반올림, 올림, 버림 등 자주 사용하는 메소드 정리
• Object
  • Why java.lang.Object is not abstract?
  • Why is the finalize() method in java.lang.Object “protected”?
• sun.misc.Unsafe
  • Unsafe Part 1: sun.misc.Unsafe Helper Classes
  • Unsafe Part 2: Using sun.misc.Unsafe to create a contiguous array of objects
  • Unsafe Part 3: Benchmarking a java UnsafeArrayList
  • The infamous sun.misc.Unsafe explained
  • Understanding sun.misc.Unsafe
  • Java Magic. Part 4: sun.misc.Unsafe
• time
  • Converting from Joda-Time to java.time
  • Java8TimeTest.java

Book

• BIOJAVA:COOKBOOK4.0

Eclipse

• Eclipse plugin to automatically refactor Java code bases http://autorefactor.org
• IntelliJ IDEA and Eclipse Shortcuts
• 이클립스 웹 개발 2014
• 이클립스 웹 개발 2016

IntelliJ

• 인텔리J 시작하기 Part1 (Getting Start IntelliJ) -기본 설정편-
• 인텔리J 시작하기 Part2 (Getting Start IntelliJ) -자바 프로젝트편-
• 인텔리J 시작하기 Part3 (Getting Start IntelliJ) – SVN –
• 인텔리J 시작하기 Part4 (Getting Start IntelliJ) – Git –
• IntelliJ를 이용한 철저한 캡쳐위주 Spring Boot 셋팅 하기-1
• IntelliJ Ultimate 14 - JRebel 적용하기
• IntelliJ Idea
• Intellij 15 Idea 성능 튜닝
• 또다른 오픈소스 IDE: Consulo IDE
• tiveloper.tistory.com - IntelliJ Idea
• Intellij vs. Eclipse: Why IDEA is Better
• IntelliJ IDEA and Eclipse Shortcuts
• 파워풀 코딩 (IntelliJ , Android Studio)
• 인텔리J 활용 꿀팁 42가지 정리
• Cheatsheet
• InteliiJ 디버깅하기
• 악취나는 코드 개선하기 시리즈 - NULL

Java8

• How to Install JAVA 8 (JDK 8u45) on CentOS/RHEL 7/6/5 and Fedora

  # alternatives --install /usr/bin/java java /usr/java/jdk1.8.0_nm-cloudera/bin/java N
  # echo "N" | alternatives --config java
  # alternatives --install /usr/bin/jar jar /usr/java/jdk1.8.0_nm-cloudera/bin/jar N
  # alternatives --install /usr/bin/javac javac /usr/java/jdk1.8.0_nm-cloudera/bin/javac N
  # alternatives --set jar /usr/java/jdk1.8.0_nm-cloudera/bin/jar
  # alternatives --set javac /usr/java/jdk1.8.0_nm-cloudera/bin/javac
  

  • /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory yum install ld-linux.so.2

• 자바 8 살펴보기

• JDK 8 Massive Open and Online Course: Lambdas and Streams Introduction

• Java 8: Replace traditional for loops with IntStreams

• Modern Java - A Guide to Java 8

• 나는 프로그래머다 웨비너 - 자바8 깊숙히!

• 모던 자바 (자바8) 못다한 이야기 예제 보관용

  • 모던자바의 역습
  • 모던 자바 (자바 8) - 못다한 이야기

• Oracle Massive Open Online Course: Java SE 8 Lambdas and Streams

• New Features in Java SE 8: A Developer's Guide

• Jump-Starting Lambda Programming

• Functional Programming with Java 8

• Java 8 Lambda Expressions & Streams

• Java 8 Lambdas Hacking

• JDK IO 2014 - Java Concurrency and Non blocking IO - Dr Heinz M. Kabutz

• Using Lambdas to Write Mixins in Java 8

• String concatenation with Java 8

• 람다, 람다, 람다(Lambda, Lambda, Lambda) - 1

• JDK8 오라클 튜토리얼 번역

• for-loop 를 Stream.forEach() 로 바꾸지 말아야 할 3가지 이유

• Java8 Stream의 parallel 처리

• Java SE 8 best practices

• The Way of the Lambda and removeIf()

• 람다를 활용한 java8의 Callable, Runnable 예제

Library

• motif - Scala-like pattern matching for Java 8 http://john.leacox.com/motif
• Spark Framework is a simple and lightweight Java web framework built for rapid development
  • 4 Sinatra inspired frameworks on the JVM that will boost your productivity

Java9

• Countdown to Java 9 Release Date
• Removal of sun.misc.Unsafe in Java 9 - A disaster in the making
• jdk-9-end-road-features.html sun.misc.Unsafe는 계속 유지
• The State of the Module System
• Jigsaw Finally Arrives in JDK 9
• Java Jigsaw가 도대체 뭐지? - Java9의 핵심
• The Final Pieces of Java 9 and Project Jigsaw Are Coming Together
• Oracle Open World 2016
  • Javaone 2016 keynote
• Reactive Programming with JDK 9 Flow API

JSP

• JSP 빠르게 시작하기

JUnit

• http://toby.epril.com/?tag=junit

JVM

• JVM Internal
• JVM Internals
• GC Tuning Confessions Of A Performance Engineer
• Debugging JVM Safepoint Pauses
• The OpenJDK Revised Java Memory Model
• JVM Deep Dive
• JVMLS 2015 - Compilers are Databases
• JVMLS 2015 - Multi-Language Runtime
• Reactor is a foundational library for building reactive fast-data applications on the JVM
• capsule - Package and Deploy JVM Applications
• Effective Cryptography in the JVM
• Capsule Shield: A Docker Alternative Tailor-Made for the JVM
• SIGSEGV as control flow - How the JVM optimizes your null checks
• Why is my JVM process larger than max heap size?
• Why does my Java process consume more memory than Xmx?
• Pirates of the JVM — The infographic: Are you ready for an adventure?

Library

• 7 New Tools Java Developers Should Know
• apiwave - Discover and track APIs
• Armeria is an asynchronous RPC/API client/server library built on top of Java 8, Netty 4.1, HTTP/2, and Thrift
  • Armeria 오픈소스화 이야기
• avd - visual debugger
• axon - Framework for scalable, high performance applications
• BinNavi is a binary analysis IDE that allows to inspect, navigate, edit and annotate control flow graphs and call graphs of disassembled code. http://www.zynamics.com/binnavi.html
• Chatty - a Twitch chat client
  • chatty - Twitch Chat Client written in Java
  • [Live] 자바 오픈소스 채팅앱 소개 / 개발자용 폰트 / 코딩 약간 / 마이크 필터링 (2017-02-24)
• CheerpJ: Java 코드를 JavaScript로 변환해주는 컴파일러
• crawler4j
• CrococryptLib for Java and Android: The easiest way to integrate encryption into your application
• DEC PDP-8 emulator
• Eclipse Collections
• Ehcache: Java's Most Widely-Used Cache
• Fig - Java elegant supplement
• Flow - Record your application executions and visualize what happened at runtime through an interactive web interface
• Google
  • guice
    • Guice를 이용한 Dependency Injection
• Gradle
  • Gradle 멀티 프로젝트(모듈) 관리
  • 그레이들(Gradle)로 만드는 안드로이드 요리법
  • Mac환경에서 Gradle기반의 Java개발환경 준비하기
  • Android CI 환경 구축하기
  • #1 구글은 왜 그레이들을 채택했을까
  • #2 구성요소로 바라본 그레이들
• graphql-java - GraphQL Java implementation
• gs-collections - A supplement or replacement for the Java Collections Framework
• Gson
  • GSON SERIALISER EXAMPLE
  • Gson을 이용한 JSON URL Parsing
  • How to convert Java object to / from JSON (Gson)
• Immutables 2.0 - We use immutable objects all the time. We created Java annotation processors to generate simple, safe and consistent value objects. Do not repeat yourself, try Immutables, the most full-featured and mature tool in this field!
• infer - Open-sourcing Facebook Infer: Identify bugs before you ship
  • infer
  • 페이스북, 모바일 앱 디버깅 도구 오픈소스로 공개
  • Inferbo: Infer-based buffer overrun analyzer
• j2ssh-maverick를 이용한 SCP + 키이용 파일 복사
• j2ssh-maverick를 이용한 SFTP 다운로드
• j2v8
  • Java/Spring과 Node.js의 공존 시즌 2
• jabba - Java Version Manager inspired by nvm (Node.js)
• javacpp - The missing bridge between Java and native C++
• java-dirty - A fast append-only data store
• java-linq-examples - 101 C# LINQ Samples in Java
• Java Native Access (JNA)
  • java-native-access jna
    • PointerTest.java
  • Converting String to Pointer for JNA
  • JAVA INTEROPERATION WITH A NATIVE DLL USING JNA
  • JAVA native access examples
  • Loading a custom library with JNA on Windows
    • practice
  • How to Load a Java Native/Dynamic Library (DLL)
• Java Native Interface (JNI)
  • practice
• JavaPoly.js Java(script) in the Browser
• Java REPL
• javosize - free next generation java profiler
• Jenkins
  • 젠킨스 설치 및 설정
  • Jenkins 2.0 Overview
  • Android CI 환경 구축하기
• jEnv is a command line tool to help you forget how to set the JAVA_HOME environment variable
• jfugue - Music Programming for Java™ and JVM Languages
• [Jmeter 강좌 - 1] 일반적으로 성능테스트 툴에서 TPS 제어 방법
• jsoup: Java HTML Parser
• jvisualvm을 사용한 jvm 모니터링
• Katharsis library adds an additional layer on top of RESTful endpoint to provide easy HATEOAS support for Java by implementing JSON:API standard
• leakcanary - Detect All Memory Leaks With LeakCanary
• log4j
  • Log4J 로깅 레벨 실시간에 바꾸기
• lombok
  • 자바모델 클래스에 날개를달자_롬복(Lombok)
  • Lombok 사용상 주의점(Pitfall)
• Machine Learning - Java collection that provides Java packages for developing a machine learning algorithm
• Mappedbus - IPC between multiple Java processes with nanosecond latency
• Maven
  • Maven Wrapper 소개와 사용
• modelmapper - Simple, Intelligent, Object Mapping
• Netty - Using as a generic library
  • Netty 기초 강습 후기
  • Going asynchronous with netty - SOSCON 2015
  • Netty - One Framework to rule them all by Norman Maurer
  • Netty Best Practices
  • Netty Best Practices with Norman Maurer
  • How to: Basic Netty Server
  • Netty Server Tutorial - [Setting up the server] Part 1 of 2
  • "Netty - The async event-driven network application framework" by Norman Maurer
  • State of Netty
  • Netty.io Reloaded #001 | Server-Client | Ingrim4
  • Netty.io Reloaded #002 | Server-Client | Ingrim4
  • Netty.io Reloaded #003 | ByteBuf | Ingrim4
  • Netty.io Reloaded #004 | Packets | Ingrim4
  • Netty.io Reloaded #005 | ByteBuf in Depth | Ingrim4
  • Netty.io Reloaded #006 | ByteBuf Advanced | Ingrim4
• Nexus
  • 아티팩트 저장소로 사용
• op4j
• PalDB is an embeddable write-once key-value store written in Java
• Parallel Java 2 Library
• Pathfinder 설치 및 실행법
• Precipice - A Java Library for Isolating and Monitoring Task Execution
• Project Panama: Interconnecting JVM and native code
• Real world mutation testing
• Reactive Streams
• ReactiveX - An API for asynchronous programming with observable streams
• Rspec - Testing Logstash Configs With Rspec
• SPMF - An Open-Source Data Mining Library
• Spring
  • [Spring] Spring Data JPA + REST 소개
  • JPA 상속관계 매핑(@MappedSuperclass, @Inheritance,@DiscriminatorValue,@DiscriminatorColumn)
  • 스프링에서 자바빈 로딩방법(Pre-Loading, Lazy-Loading)
  • (스프링초보자를위한)스프링 컨텍스트 설정과 관련된 어노테이션
  • [Spring Cloud] Config Server에 관하여 알아봅시다.
  • blog.woniper.net/category/Spring
    • Booting Spring Data REST
    • Spring Data Rest 예제
    • Spring Data Rest #1 Introduction
    • Spring Data Rest #2 동작 원리
    • Spring Data Rest #3 내부 동작
  • 스프링에 Gentelella Admin 붙이기 with Apache Tiles
  • Spring Security, MongoDB 연동 Login
  • WebSocket을 활용한 채팅 서비스 구현
• Spring Boot
  • [스프링 부트(Spring Boot) 소개 합니다]http://www.slideshare.net/topcredu/spring-boot-66190611)
  • Spring Boot와 AngualrJS를 조합한 코드 자동 생성 도구(scaffolding) JHipster
  • Be Productive with JHipster by Julien Dubois and Deepu K Sasidharan
  • 스프링 배치(스프링 Boot 기반)삽질기
    • 1탄 - Step간 데이터 공유
    • Spring Batch Meta-data Schema 커스터마이징
    • Spring Batch Meta-data Schema 커스터마이징
    • paging시 주의사항
  • Spring Boot & OAuth2 기반 소셜 댓글 시스템 개발하기
  • 스프링부트 다중 데이터소스(톰캣 DBCP) 설정
  • 프로젝트 생성 및 기본개념
  • Embedded MongoDB
  • WebSocket, STOMP을 연동한 채팅서비스 구현
  • Spring boot환경에서 JWT 사용하기
• Tabula is a tool for liberating data tables locked inside PDF files
• TLB - Test Load Balancer(TLB)
• tCache - Scalable data-aware Java Caching Highly scalable, flexible caching within the JVM Heap
• Trampoline - Simple standalone trampoline implementation for stackless recursion and simulating co-routines / continuations
• twitter-text - Twitter Text Libraries
• Vaadin
  • 바딘? Vaadin? 무슨 뜻이지?
  • 모던 자바 웹 UI 바딘 프레임워크
• Vert.x is a tool-kit for building reactive applications on the JVM
  • vert.x - 최신 웹과 기업을 위한 매우 쉬운 비동기식 어플리케이션 개발
• walkmod is an open source tool to apply and share your own code conventions
• WebRPC - Cross-platform RPC over HTTP

NetBeans

• Truffle Debugging Demo

Thread

• Call a non-reentrant native shared library from multiple Java threads
• Lamport's bakery algorithm
• Quasar and Akka – a Comparison
• Quasar and Akka – a Comparison
• Thousands of Threads and Blocking I/O - The old way to write Java Servers is New again
• How to write a multi-threaded webcrawler
• Java 동기화의 이해(synchronized, wait, notify, notifyAll)

Executor

• Java Concurrency: Executor와 Callable/Future
• Example of ConcurrentSkipListMap in Java
• ConcurrentHashMap: usage and functionality
• java.util.concurrent.ConcurrentHashMap Example
• java.util.concurrent.Future basics
• Producer-Consumer with ExecutorService.newFixedThreadPool - How many threads are created?
• Effective Java - Run queries on your Java code to check if it meets the criteria suggested by the book Effective Java. And some others

Web

• Spark - A tiny Sinatra inspired framework for creating web applications in Java 8 with minimal effort