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Top Forums Programming How do i get Java commands to be recognized in command prompt? Post 302512678 by pflynn on Monday 11th of April 2011 09:07:55 AM
Old 04-11-2011
You should set your environment so that the command interpreter (the shell) will be able to find the appropriate commands. This is something platform dependent, but most of the time what you need to do is to add the path of the java binaries to the PATH environment variable. For example, if your java binaries (java, javac) where installed in /home/anna/java/bin, you add the path to the PATH environment variable like this:

PATH=$PATH:/home/anna/java/bin

you can type this command directly into the command line, but this way it will be valid only for the current shell, so you´d better put this command into one of your shell´s initialization files (like $HOME/.bashrc or $HOME/.bash_profile if your shell is GNU Bash, for example).
 

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java-functions(7)						RPM Java packaging						 java-functions(7)

NAME
java-functions - Functions library for Java applications. Written for the JPackage Project <http://www.jpackage.org/>: SYNOPSIS
set_jvm() Set the java virtual machine. Use a JAVA_HOME if defined, or try to find it from java command set_classpath() Set the classpath - this functions requires a valid JAVA_HOME, JAVACMD, and JAVA_LIBDIR. JARs could be specified as an argument, or via ADDITIONAL_JARS variable. set_javacmd() set the JAVACMD variable. Options should be passed via JAVACMD_OPTS variable. set_flags() set FLAGS variable. They could be specified as an argument, or via ADDITIONAL_FLAGS variable. set_options() set OPTIONS variable. They could be specified as an argument, or via ADDITIONAL_OPTIONS variable. run() run the application. It executed a following command. If VERBOSE is defined, then it prints the command to stdout. exec $JAVACMD $FLAGS -classpath $CLASSPATH $OPTIONS $MAIN_CLASS "$@" set_jvm_dirs() set JVM-related directories (JVM_LIBDIR, JAVA_VERSION, JAVAVER_LIBDIR and JAVAVER_JNIDIR variables). Requires a correct JAVA_LIBDIR, JAVA_HOME and JAVA_CMD. link_jar_repository() links a jar repository. Options could be found in build-jar-repository(1) find_jar() finds a specific extention (jar or directory). Requires a correct JAVA_LIBDIR, JAVAVER_LIBDIR and JVM_LIBDIR. Used by find-jar(1) com- mand. do_find_jar() core routine used by find_jar() check_java_env() checks java environment - the JAVA_HOME, JAVACMD, JAVA_LIBDIR, JNI_LIBDIR variables. DESCRIPTION
This is a library of generic shell functions which should be used on jpackage.org compatible distributions. FILES
/use/share/java-utils/java-functions shell script functions library for Java applications /etc/java/java.conf system-wide Java configuration file ~/.java/java.conf user's Java configuration SEE ALSO
Regular Manual Pages build-jar-repository(1) find-jar(1) java.conf(5) jpackage-utils(7) AUTHORS
Guillaume Rousse <guillomovitch@sourceforge.net> Ville Skytta <scop at jpackage.org> David Walluck <david@jpackage.org> Nicolas Mailhot <Nicolas.Mailhot at laPoste.net> REPORTING BUGS
Report bugs using JPackage Bugzilla (http://www.jpackage.org/bugzilla/) jpackage-utils 1.7.5 February 2009 java-functions(7)
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