Java can be used to develop mobile apps, web apps, games and much more.

Java is class-based, object-oriented programming language and is platform-independent and can run on a variety of platforms, such as Windows, MAC OS, Linux, etc. It was developed by James Gosling at Sun Microsystems Inc in the year 1991. Java is the name of an island in Indonesia where the first coffee(named java) was produced. Java was finally chosen because of its uniqueness. The new options were Silk, Java, Dynamic, DNA, Jolt and Revolutionary. However, in the wake of OAK technologies, the development team decided to rename it. Java was initially called by the name: OAK. Java is one of the most popular and widely used programming languages. Illustrate how to install, write and run your first Java program in Eclipse on macOS.Show how to set the path of Java on macOS.Explain how to install OpenJDK in macOS.Explain how to install Oracle's JDK in macOS.Discuss the importance of JDK, JRE and JVM.Java 8, 11 and 17 are the current long-term support (LTS) versions. JAVA_HOME is an operating system environment variable which is used for setting the file system location where the JDK or JRE is installed. JDK is full-featured Java Development Kit which includes development tools to provide an environment to develop Java applications and Java Runtime Environment to execute our programs. Java IDEs are the IDEs that are developed for making the process of building any java application much faster and easier. An Integrated Development Environment (IDE) is a software that acts as a text editor, debugger, and compiler all in one.

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