I would like to inspect the contents of a resource file of a java module of my locally installed jvm from the command line. Based on a question about mime type support in a jvm I would like to see the contents of /sun/net/www/content-types.properties in module java.base of my locally installed jvm. However wh…
Tag: command-line
Why am I getting IOException : “Cannot run program ./shellScript.sh error = 2, No such file or directory in Java?
The following Main.java code simply tries to simulate the following linux command: The program below works only if the executable Main.jar sits within /dir1/dir2, not outside of /dir1/dir2. How do I modify the program below so that Main.jar can sit anywhere on the file system? Answer You should use ProcessBui…
Compiling a java project from linux command line
I am having trouble understanding how to actually use the command line to run a big java project ( by big I mean with multiple files and folder). Imagine I have a project containing : All my life people have done the makefile for me. I just code the java src with vim and compile and run with make. Now
How to pass system variable with normal variable to call java program in command line batch script
When i try to access 5th argument it shows: It takes only arguments upto class name Answer Whatever given after main class runConsoltesting are main method arguments which are totally 4 (%4,%5,%6,%7). So you are getting ArrayOutOfBoundException when you try to access fifth element. %1, %2 and %3 are JVM argum…
How to create a new object of Public Class
I am a newbie in Java, although I have knowledge of Object Oriented Programming from Python but I’m currently having problem understanding this example on creating public class either combining the …
Gradle build – add module path
My question: How do I set a module path for gradle build? I’ve become comfortable working with Java modules from the command line. I do a frequent exercise in Powershell which results in these source files. appMod/module-info appMod/appPack.Entry greetMod/module-info greetMod/greetPack.Hello Since the a…
How to set java.util.logging.ConsoleHandler.level from command line arguments?
Current default global logging level is set to INFO in JRE_HOME/lib/logging.properties file. I run the following from the command line to over-ride and set the level to FINE: And, I use the below in my code: The above message doesn’t get printed in the output. If I change it to the below line, it prints…
Can’t run java application with .jar dependancy – ‘Error: Could not find or load main class’
So my code runs fine in my IDE and I have the javax.mail.jar set as a dependency and my code runs fine. Except I need to use Console console = System.console(); and this does not work within IDE’s So I am trying to compile my code and run it via the terminal, I can compile although when running my code
Is the String args[] parameter needed for programs that do not require command line arguments?
As far as I know, String args[] accepts an array of elements of type String – a mechanism through which the runtime system passes information to an application. If we take a simple addition program like this: It is obvious that the program does not need any command line arguments to calculate the result…
How to run TestNG from command line
How exactly do I run a .java TestNG project from a command line? I have read through the TestNG documentation, and tried the following to no avail: … with the following testng.xml file in my project: The error I get is this: Obviously, I am not referencing TestNG correctly in my command line. Does anyon…