sketch.txt

Garbage Collector (GC)

implementation

character (char)

throughput

file descriptor (FD)

open
close

implicit
explicit

Swing
AWT
JavaFX

Compliant

life-cycle
waterfall
iterative development
agile
scrum


Command-Line Interface (CLI)

debugger
profiler

Java Class Library
Java API

classes (jar) - library.jar
sources       - library-src.jar

decompiler (intellij idea - Sunflower)

whitespace

unicode table

statement

Reference types

00000001
00000100

code refactoring

concatenation
concat
append
prepend

bug
bugfixing
debugger

wrapper classes
number types / primitive types

immutable

compound expression
ceremonies

marker interface
serialization
stateful

daemon programs
regex (regexp, regular expressions) - java style

loop labels - break; continue

lambda expressions
syntactic sugar
streams

backing data structure

EOF (end of file, -1)
memory leak

try-with-resources

EOF, EOL (end of file, end of line)
data/object serialization
persistent state of the application

URI (Unified Resource Identifier)


thread pool
method signature

bounded/unbounded (queue)
FIFO (first-in-first-out) / LIFO (last-in-last-out)
Key-Value pairs

JVM param for enabling assertions -ea
please do set runner config VM options field

Reifiable / Non-reifiable types

CSV (comma-separated values)
asd,"asdasd,\"asd"
asd

access modifiers:
public, package-protected (default), protected, private scopes

callback

shadowing

POC (proof-of-concept)

method overloading/overriding

relation/mapping

static inner(non-static) class == nested(static) class

StringBuilder / StringBuffer (thread-safe)

authentication (credentials) / authorization (access to resources)

XML, XSD/DTD, XPath, XQuery

web server / application server/container / java ee compliant container
deployment

Apache Tomcat 8.5.37
* edit conf/tomcat-users.xml, add:
<role rolename="manager-gui"/>
<user username="tomcat" password="s3cret" roles="manager-gui"/>

hot deploy / web manager deploy / Application Servers IntelliJ IDEA / maven tomcat plugin

HTTP [header, cookie, session, body]
https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol
https://en.wikipedia.org/wiki/List_of_HTTP_header_fields

MIME type - https://en.wikipedia.org/wiki/Media_type
JavaScript
CSS
Browser developer tools

JSP (Java Server Pages)