Description: Create a 3 d point, and realize the output, modify, and beg the coordinates of points and the distance of the origin of coordinates
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File list (Check if you may need any files):
CPoint\.classpath
......\.project
......\.settings\org.eclipse.jdt.core.prefs
......\bin\Ctest.class
......\...\Point.class
......\src\Ctest.java
......\.settings
......\bin
......\src
CPoint