When you have a skilled master the concepts of object-oriented, whether these would have a keen interest in how knowledge is used? This course is aimed to have mastered the core technology development JAVA readers prepared to explain the JAVA multi-threaded, common libraries, IO programming, network programming, collections framework, JDBC and other Java development technologies related to the practical application.
Process: ongoing program (literally).
Thread : is responsible for controlling a process unit (execution path) program execution.
Multithreading: a process can perform multi-path, called multi-threading . A process must have at least one thread. Open multiple threads to run multi-part code. Each thread has its own operational content. This content can be called a task threads to execute. In fact, execution of the application is doing cpu fast switching completed. This switching is random.
Multithreading benefits and drawbacks:
- Multithreading benefits: solve the problem of multi-part running at the same time.
- Multithreading drawbacks: too many threads back to the lower efficiency.
JVM startup started the multiple threads, there are at least two threads can analyze it.
1: The main function of the thread execution,
the thread of the task code is defined in the main function.
2: responsible for garbage collection thread.
Way to create multi-threaded
- The first: inheritance Thread class, override the run method
- The second: to achieve Runnable interface, and implements the run method of this interface (we generally recommend this when programming)
- Third: implement Callable interface override run method
- Fourth: An application can use the framework to create a thread pool Executor
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(Courses can help students master the Java multi-threaded development, network programming, JDBC technology for Java developers to learn)
