Java课程学习中的课程实习，用于了解熟悉Java语言的编写。包括使用JDK开发Java程序的步骤，Java程序面向对象编程，多线程的使用和异常处理和Java输入输出的方式等。-Java courses in the curriculum internship for understanding familiar with the Java language to write. Including steps to develop Java programs using JDK, Java program object-oriented programming, and exception handling using multithreaded Java input and output methods.