How do I find my Java classpath?

How do I find my Java classpath?

Right click on My Computer and go to properties (or) Press Windows + Pause to open up System Properties. Now traverse to Advanced Tab and click on “Environment Variable”. In order to check the classpath which is set, type echo %CLASSPATH% in command prompt, it will display the CLASSPATH which is set.

How do I find my classpath in UNIX?

echo $ {CLASSPATH} This command will basically print the linux classpath value in the command prompt.

How do I find the classpath of a jar file?

To check our CLASSPATH on Windows we can open a command prompt and type echo %CLASSPATH%. To check it on a Mac you need to open a terminal and type echo $CLASSPATH.

Where is Java path set in Linux?


  1. Change to your home directory. cd $HOME.
  2. Open the . bashrc file.
  3. Add the following line to the file. Replace the JDK directory with the name of your java installation directory. export PATH=/usr/java//bin:$PATH.
  4. Save the file and exit. Use the source command to force Linux to reload the .

How do I print a classpath?

  1. String classpath = System. getProperty(“java.class.path”); String[] classPathValues = classpath. split(File. pathSeparator);
  2. for (String classPath: classPathValues) { System. out. println(classPath);
  3. } }

How do I find the path and classpath in Linux?


  1. Select Start, select Control Panel. double click System, and select the Advanced tab.
  2. Click Environment Variables.
  3. In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable.

What is classpath Linux?

In fact, CLASSPATH is an environment variable that is used by Java Virtual Machine to locate user-defined classes. As I said In this tutorial we will see How to set up the classpath for java in windows and Linux, java -classpath example in different scenarios, and the use of java -classpath or java -cp.

How do I find the path in Linux?

Display your path environment variable. To do so: Type echo $PATH at the command prompt and press ↵ Enter . This output is a list of directories where executable files are stored.

How can I see environment variables in Linux?

The most used command to displays the environment variables is printenv . If the name of the variable is passed as an argument to the command, only the value of that variable is displayed. If no argument is specified, printenv prints a list of all environment variables, one variable per line.

Where is Java PATH set in Linux?

Where is java path set in Linux?

Which command is used to DISPLAY variable values in Unix?

Explanation: set command is used to display all the variables available in the current shell.

What is getClass () in Java?

The Java Object getClass() method returns the class name of the object. The syntax of the getClass() method is: object.getClass()

How do you DISPLAY variables in Linux?

What is the use of Classpath in Java?

Classpath is an essential concept in the Java world. When we compile or start a Java application, the JVM finds and loads the classes in the classpath. We can define the elements in the classpath either through the -cp option of the java/ j avac commands or through the CLASSPATH environment variable.

How do I set the CLASSPATH variable in Linux?

On Solaris or Linux, execute the following: % echo $CLASSPATH. If CLASSPATH is not set you will get a CLASSPATH: Undefined variable error (Solaris or Linux) or simply %CLASSPATH% (Microsoft Windows NT/2000/XP). To modify the CLASSPATH, use the same procedure you used for the PATH variable.

How do I modify the classpath of a class?

To modify the CLASSPATH, use the same procedure you used for the PATH variable. Class path wildcards allow you to include an entire directory of .jar files in the class path without explicitly naming them individually.

What is the classpath separator in Unix?

The Classpath Separator The classpath syntax is actually pretty straightforward: a list of paths separated by the path separators. However, the path separator itself is system-dependent. While the semicolon (;) is used as the separator on Microsoft Windows systems, the colon (:) is used on Unix-like systems: