What is JDK? Introduction JDK
introduction jdk in java:
Java Development Kit (JDK) is one of three basic technology packages used in Java applications, as well as JVM (Java Virtual Machine) and JRE (Java Runtime Environment). It is important to distinguish between these three technologies, as well as to understand how they are connected:
JVM is part of the Java platform for programming.
JRE is part of the Java disk that creates JVM.
Java Development Kit (JDK) is a software development tool used to develop Java applications and applets.
Includes Java Runtime Environment (JRE), interpreter / uploader (java), compiler (javac), archiver (jar), paper generator (javadoc) and other tools needed for Java development .
As a major planning language in the last few decades, Java has been important in computer science, and Java JDK is an important vehicle for building the development space.
People new to Java may be confused about whether to use JRE or JDK. To use Java applications and applets, simply download JRE. However, to upgrade Java applications and applets and launch them, JDK is required. One way to think about it is that JRE is "made for work" or limited to that standard, where JDK is a development tool, as stated.
New developers in Java often confuse the Java Development Kit and the Java Runtime Environment. The difference is that JDK is a Java software-based software package, while JRE is a Java code utility toolkit.
JRE can be used as an independent component of not only Java applications, but also as part of JDK. JDK needs JRE because using Java applications is part of self-improvement.
Get started with the JDK:
Finding Java settings in your development area is as easy as downloading JDK and installing it in your classpath. When downloading your JDK, you will need to select the type of Java you want to use. Java 8 is the most widely used version, but as of this writing Java 11 is a long-term release (LTS). Java maintains retrospective compatibility, so we'll just download the latest release.
JDK packages:
In addition to choosing your Java version, you will also need to select the Java package. Package kits for Java Development Kits are intended for different types of development. Available packages are Java Enterprise Edition (Java EE), Java Standard Edition (Java SE), and Java Mobile Edition (Java ME).
What is JDK and why it is used?
The Java Development Kit (JDK) is a software development environment used for developing Java applications and applets. It includes the Java Runtime Environment (JRE), an interpreter/loader (Java), a compiler (javac), an archiver (jar), a documentation generator (Javadoc) and other tools needed in Java development.
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