javac

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      javac (pronounced "java-see") is the primary Java compiler included in the Java Development Kit (JDK) from Oracle Corporation. Martin Odersky implemented the GJ compiler, and his implementation became the basis for javac.
      The compiler accepts source code conforming to the Java language specification (JLS) and produces Java bytecode conforming to the Java Virtual Machine Specification (JVMS).
      javac is itself written in Java. The compiler can also be invoked programmatically.


      History


      On 13 November 2006, Sun's HotSpot Java virtual machine (JVM) and Java Development Kit (JDK) were made available under the GPL license.
      Since version 0.95, GNU Classpath, a free implementation of the Java Class Library, supports compiling and running javac using the Classpath runtime — GNU Interpreter for Java (GIJ) — and compiler — GNU Compiler for Java (GCJ) — and also allows one to compile the GNU Classpath class library, tools and examples with javac itself.


      See also



      Java compiler – for a general presentation of Java compilers, and a list of other existing alternative compilers.
      Java Platform
      OpenJDK


      References




      External links


      The Compiler Group
      JSR 199 Java Compiler API Java Specification Request for invoking the Java compiler from a Java program
      Mercurial repository
      Java Language Specification

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    javac

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    How do I run a Java program from the command line on Windows?

    Apr 22, 2013 · javac has created the filenamehere.class file. You should see filenamehere.java and filenamehere.class among the files. C:\mywork> java filenamehere This runs the Java interpreter. You should then see your program output. If the system cannot find javac, check the set path command. If javac runs but you get errors, check your Java text.

    javac - What is the --release flag in the Java 9 compiler ... - Stack ...

    javac provides two command line options, -source and -target, which can be used to select the version of the Java language accepted by the compiler and the version of the class files it produces, respectively. By default, however, javac compiles against the most-recent version of the platform APIs. The compiled program can therefore ...

    Where is 'javac' in java-17-openjdk-amd64? - Stack Overflow

    Mar 4, 2022 · I am not sure, but unlike previous version, I am able to run a .java file directly with java MyClass.java without running a javac command before to create a .class file. (Directly running java MyClass.java is not generating a .class but straight away runs the program)

    javac - How can I compile and run a Java class in a different …

    javac /home/MyJavaFile.java This will create MyJavaFile.class in /home. You can then run it by including /home on the classpath. e.g. java -cp /home MyJavaFile If you want to generate the class file in a different directory then you can use the -d option to javac.

    javac not working in windows command prompt - Stack Overflow

    Nov 5, 2009 · After a long Google, I came to know that javac.exe will be inside JDK(C:\Program Files\Java\jdk(version number)\bin) not inside JRE (C:\Program Files (x86)\Java\jre7\bin) "JRE doesn't come with a compiler. It(JRE) is simply a java runtime environment. What you need is the Java development kit." in order to use compiler javac

    java compiler options i.e. javac -d - Stack Overflow

    May 8, 2011 · javac -classpath ... -sourcepath C:\ -d C:\ C:\APPC_LU62\Runtime\*.java The same is valid later for executing the classes with the java command: This also expects the classes in directories according to the package structure, with the root being a directory or jar file mentioned in the class path.

    javac : Compiling a .java file which uses other classes in it

    May 7, 2012 · javac is pretty sensitive to package names and classpaths. The easiest thing to do is to compile all three at the same time like so javac example/a.java example/b.java example/c.java. If you go to the parent directory of example (let's call it src), then you can run the following: javac -cp src src/example/c.java

    java - `javac.exe` not found in the `jdk\bin` - Stack Overflow

    Feb 2, 2016 · However, after setting the environment variable path, I opened Command Prompt, entered javac -version, and it told me 'javac' is not recognized as an internal or external command, operable program or batch file.. So I checked C:\Java\jdk1.8.0_72\bin\, and there is no executable file called javac.exe! How can it be? And what I'm supposed to do now?

    Java: How can I compile an entire directory structure of code

    May 26, 2015 · javac -cp ".:lib/*" -d bin $(find ./src/* | grep .java) Here the bin file is the destination of class files, lib (and potentially the current working directory) contain the library files and all the java files in the src directory and beneath are compiled.

    javac option to compile all java files under a given directory ...

    javac -cp "jar_path/*" $(find . -name '*.java') (I prefer not to use xargs because it can split them up and run javac multiple times, each with a subset of java files, some of which may import other ones not specified on the same javac command line) If you have an App.java entrypoint, freaker's way with -sourcepath is best.