Setting classpath in java mac

Under bash shell:. Take note that files beginning with dot. To display hidden files, use command " ls -a " or " ls -al ".


Setting the class path

For example,. Take note that Bash shell uses colon: To refresh the bash shell, issue a " source " command or re-start the bash shell:. Notes For the older csh C-shell and ksh Korn-shell.

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When you launch a program from the command line, the operating system uses the PATH environment variable to search for the program in your local file system. In other words, PATH maintains a list of directories for searching executable programs. When you launch an executable program with file extension of ". If the program cannot be found in these directories, you will get the following error:. For example, if Java Compiler " javac. PATH maintains a list of directories. The directories are separated by semi-colon ';'.

How do I set a CLASSPATH for java?

The JDK's " bin " directory should be listed before " c: This is because some older Windows systems provide their own Java runtime which is often out-dated in these directories try search for " java. But as PATH is frequently used, a dedicated command called path is provided. In Windows, the current working directory '.

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In other words, the current working directory is searched first, before searching the other entries specified in PATH , in a the order specified. DO NOT remove any existing entry; otherwise, some programs may not run. When you launch an executable program with file permission of executable in a Bash shell, the system searches the program in ALL the directories listed in the PATH. If the program cannot be found, you will get the following error:. To add a directory e.

As a result, you have to enter ". It is recommended to include the current directory in the PATH by adding this line at the end of the. For ease of distribution, Java classes are often archived zipped together into a so-called JAR file. Java Compiler " javac " , Java Runtime " java " and other Java tools searches for classes used in your program in this order:. If the Java Runtime " java " cannot find the classes used in your program in all the above places, it will issue error "Could not find or load main class xxxx" JDK 1.


Similarly, Java Compiler " javac " will issue compilation errors such as "cannot find symbol", "package does not exist". Im getting and: IndexHTML at java. In this case you can use something like: In your case it would look something like: In your way you lose to add lucene-demo Steven Penny 1. See also cs. This doesnt make sense to be about creating a.

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Im not sure what to do. You need to create a file '. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

Managing the Java classpath (UNIX and Mac OS X)

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