Java Basics needed in J2ME

Source: Internet
Author: User
Tags exception handling
Now a lot of people, are starting from zero to learn j2me, learning J2ME, always from the Java Foundation to learn, and now speak Java based books are based on J2SE, which caused some unnecessary trouble learning, Here's a simple description of the Java basics that are used in J2ME and what you don't need:
Java basics to use in J2ME:
1. Java Syntax basics: including basic data types, keywords, operators, and so on
2. Object-oriented thinking: Concepts of classes and objects, inheritance and polymorphism, and so on.
3. Exception Handling
4, multithreading

Java basics not used in J2ME:
1. Use of Javac and Java commands in JDK
2, many of the classes in the Java Foundation are not in J2ME, or the methods in the class do a lot of streamlining. Therefore, it is recommended to be familiar with class libraries in J2ME.
3, applets, AWT, swing these knowledge in the J2ME is not used.

Simply say so much, hope to learn J2ME friends can take a few detours, the shortcomings of the hope that we will actively correct and add.

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