Knowledge Base

274 entries

jexer

a full curses-like environment for Java, vaguely reminiscent of Borland's Turbo Vision by design.

jfr

The Java Flight Recorder is a diagnostic tool for Java, integrated into the JVM. It does, however, require a commercial license for use in production.

jini

JINI was a Java-based distributed services framework. It allowed devices and software services to discover and join networks dynamically without manual configuration, predating modern IoT and modern service discovery pat

jmc

The JDK Mission Control suite is a set of tools for troubleshooting, profiling, and monitoring Java Applications.

jmespath

a query language for JSON that supports path expressions, wildcards, filters, and projections. Widely used in AWS CLI and SDKs for extracting values from API responses.

jmeter

Apache JMeter — Java-based open-source load tester with a GUI, scriptable test plans, and wide protocol support (HTTP, JMS, JDBC, etc.).

jooq

a library for type-safe SQL, generating classes from your database and building typesafe SQL queries through a fluent API.

jq

a lightweight command-line processor for JSON supporting filtering, transformation, and computation via a functional expression language. The de facto standard tool for JSON manipulation in shell pipelines.

jsf

JSF is JavaServer Faces, a component model for the web.

json

JSON is the JavaScript Object Notation standard, a specification for human-readable structures, based on how JavaScript represents objects in programs. It's fairly terse, at least moreso than XML, but is far more free-fo

jsonata

a query and transformation language for JSON with a functional, expression-based design. Supports path navigation, filtering, aggregation, and data reshaping in a single expression. Conceptually similar to XPath/XSLT app

jsongrep

a Rust command-line tool for searching JSON documents using a regular-language query syntax compiled into a DFA, enabling single-pass O(n) traversal with no backtracking.

jsr 107

JCACHE - Java Temporary Caching API

jsr 12

Java Data Objects (JDO) Specification

jsr 13

Decimal Arithmetic Enhancement

jsr 21

JAIN JCC Specification

jsr 220

Enterprise JavaBeans 3.0

jsr 317

Java Persistence 2.0

jsr 51

New I/O APIs for the Java Platform