Installing JDK 15 on macOS
This section provides a tutorial example on how to download and install JDK 15, which includes some nice Java tools, on a macOS system.
As a Java developer kit, the Oracle JDK package includes a number of
nice Java tools.
Here is what I did to download and install JDK 15,
also called Java SE 15, on my macOS computer.
1. Go to Oracle Java SE download website at
2. Click "JDK Download" next to "Java Platform (JDK) 15".
3. Click "jdk-15_osx-x64_bin.dmg" from the download list.
It will be saved to your "Downloads" directory automatically.
4. Double click on "jdk-15_osx-x64_bin.dmg" to install it.
To test the installation, open a command window to try the java command.
If you are getting the following output, your installation was ok:
herong$ java -version
java version "15" 2020-09-15
Java(TM) SE Runtime Environment (build 15+36-1562)
Java HotSpot(TM) 64-Bit Server VM (build 15+36-1562, mixed mode, sharing)
Cool, I have successfully installed JDK 15 on my macOS computer!
Table of Contents
About This Book
Java Tools Terminology
Java Tools Included in JDK
javac - The Java Program Compiler
java - The Java Program Launcher
jar - The JAR File Tool
jlink - The JRE Linker
jmod - The JMOD File Tool
jimage - The JIMAGE File Tool
jpackage - Binary Package Builder
javadoc - The Java Document Generator
jdeps - The Java Class Dependency Analyzer
jdeprscan - The Java Deprecated API Scanner
jdb - The Java Debugger
jcmd - The JVM Diagnostic Tool
jconsole - Java Monitoring and Management Console
jstat - JVM Statistics Monitoring Tool
JVM Troubleshooting Tools
jhsdb - The Java HotSpot Debugger
jvisualvm (Java VisualVM) - JVM Visual Tool
jmc - Java Mission Control
javap - The Java Class File Disassembler
keytool - Public Key Certificate Tool
jarsigner - JAR File Signer
jshell - Java Language Shell
jrunscript - Script Code Shell
native2ascii - Native-to-ASCII Encoding Converter
JAB (Java Access Bridge) for Windows
►Installing JDK 15 on macOS
Archived: Installing JDK 12 on Windows
Archived: Installing JDK 10 on Windows
Archived: Downloading and Installing Java 8
Archived: Downloading and Installing J2SE 1.6.0 on Windows
Archived: JDK 1.6 keytool - keystore File Tool
Archived: Downloading and Installing J2SE 1.5.0 on Windows
Archived: JDK 1.5 keytool - keystore File Tool
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