Java Notes

1. Absolute path and canonical path:
   • C: empfile.txt - This is a path, an absolute path, and a canonical path.
   • C: empmyappin..\..file.txt - This is a path and an absolute path. It's not a canonical path.
   • A canonical path is always an absolute path.
   • getCanonicalPath()/getCanonicalFile():
   1. • A canonical pathname is both absolute and unique. The precise definition of canonical form is system-dependent. This method first converts this pathname to absolute form if necessary, as if by invoking the getAbsolutePath() method, and then maps it to its unique form in a system-dependent way. This typically involves removing redundant names such as "." and ".." from the pathname, resolving symbolic links (on UNIX platforms), and converting drive letters to a standard case (on Microsoft Windows platforms).
2. Static binding vs. Dynamic binding:
   • http://skeletoncoder.blogspot.com/2006/09/java-tutorials-overloading-is-compile.html.
3. How to use InputVerifier class:
   • -http://www.javaexamplecenter.com/window/inputverifier.php
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