How to get current class name including package name in Java

Question

I m working on a project and one requirement is if the 2nd argument for the main method starts with          for linux  it should consider it as an absolute path  not a problem   but if it doesn t start with          it should get the current working path of the class and append to it the given argument   I can get the class name in several ways  System getProperty  java class path    new File      and getCanonicalPath    and so on     The problem is  this only gives me the directory in which the packages are stored - i e  if I have a class stored in      project this is package name   it would only give me   project   and ignores the package name where the actual  class files lives   Any suggestions   EDIT  Here s the explanation  taken from the exercise description     sourcedir can be either absolute  starting with          or relative to where we run the program from   sourcedir is a given argument for the main method  how can I find that path

User · Answer

The fully-qualified name is opbtained as follows:

String fqn = YourClass.class.getName();

But you need to read a classpath resource. So use

InputStream in = YourClass.getResourceAsStream("resource.txt");

User · Answer

Use this getClass   getCanonicalName   to get the full class name   Note that a package   class name   a b C   is different from the path of the  class files  a b C class   and that using the package name   class name to derive a path is typically bad practice  Sets of class files   packages can be in multiple different class paths  which can be directories or jar files

User · Answer

use this getClass   getName   to get packageName className and use this getClass   getSimpleName   to get only class name

User · Answer

There is a class  Class  that can do this   Class c   Class forName  MyClass       if you want to specify a class Class c   this getClass                if you want to use the current class  System out println  Package    c getPackage     nClass    c getSimpleName     nFull Identifier    c getName       If c represented the class MyClass in the package mypackage  the above code would print      Package  mypackage   Class  MyClass   Full Identifier  mypackage MyClass   You can take this information and modify it for whatever you need  or go check the API for more information

[java] How to get current class name including package name in Java?

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