Only the original naming person or team can answer this one 100% correctly.
javax is an extension package (to java package), some would say it is the extra. Either way, this package is optional, an auxiliary one. New packages are usually introduced as javax.something, then perhaps promoted as java.something in the latter edition if it deemed to be as a part of the core.
Yes it is possible to draw in java by using AWT package. or by using javax package.
Information on 'javax' can be found on the official Java documentation website (docs.oracle.com). Additionally, online forums and communities such as Stack Overflow may have discussions and examples related to 'javax' and its various packages and libraries.
java.* libraries were supposed to have been core libs, and javax.* to be standard extensions with the possibility of promotion to core libs (i.e., classes in javax libs could be promoted to java namespaces). However, this showed a certain lack of foresight by not considering the fact that moving the namespaces would require everyone using the classes to change their references-- the criterion for promotion being the adoption rate of the library also guaranteed that the impact to existing code would be the greatest for any functionality promoted. Nowadays, the difference is largely academic since the widely adopted javax.* libs are included in the core download, but the namespaces aren't changed. In practice, it's more important what is in the JRE download than what namespace something is in.
Advance java is the implementation of servlet in web pages.
Java is much advance because application designed to run over Android are written in Java Language.
used to create GUIs. basically the built-in class that allows for creation of the "main" window. http://java.sun.com/j2se/1.4.2/docs/api/javax/swing/JTable.html
javax
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A good program display a model of human cells, and test different mutations.
javax.swing.JOptionPane
Core java refers to the core or basic concepts of the Java programming language. Things like encapsulation, inheritance, multi-threading, exception handling and other basic feature of java that comes as part of the Java standard edition forms Core Java
Subroutine mean what (in java)?