java self study

20165210 Java Third Week study summary of learning Contents-fourth Chapter study Summary Several development stages of programming languages: For machine language Process-oriented language Object-oriented language Class: class declaration: class People { ...}class 动物 { ...} Class Bo

20172324 "Java program design" The sixth Week study summary textbook Learning content Summary How to create an array and the difference between int[] X and int x[] (compile-time is no different, only the former is consistent with other types of declarative methods) Each of the Java arrays is an iterator. An array is passed as a parameter to a met

20165103 2017-2018-2 "Java program design" 1th Week study summary textbook study summary Chapter One Essentials Summary The status and characteristics of Java Installing the JDK (Windows and Linux operating systems) To write a simple Java application

20165235 Qi Ying 2018-4 "java program design" Nineth Week study summary textbook learning content Summary URL classURClass is java.ne an important class in the T package, and the application that uses the URL created object is called a client program.A URL class creates a class with the following construction methods:public URL（String spec） throws MalformedURLExceptionURLThe object being created is a http p

Study No. 20165324 "Java Program design" Eighth Week study summary textbook Learning contents Summary 12th Chapter Java Multithreading mechanismProcesses and Threads进程是程序的一次动态执行过程；线程是比进程更小的执行单位The state and life cycle of a thread The Java language uses the object of

#1. This chapter is a summary of your study of the knowledge of this chapter.Read about the development of JavaMeet Jvm/jre/jdk and learn to install JDKJava is so troublesome to say ...1. Why are Java programs running across platforms? What are the steps to execute a Java program? (please write in your own language.)The code compiled by the

20172330 2017-2018-1 "Java Program design" Fourth week study summary textbook study summaryThis week's content is more and more complex, including chapters fourth and seventh. The fourth chapter introduces the definition and concept of class structure, and gives us a lot of examples to show the method and application of the custom class, and discusses th

2017-2018-2 "Java program design" The second week study summary textbook study summarySecond to third chapterCh2 Identifiers and Keywords Basic data type: Logical Type: Boolean Integer type: int, byte, short, long ( Note: A long constant is represented by the suffix l; and there is no unsigned declaration in

? "declaration"Welcome reprint, but please keep the original source of the article →_→Life One number: http://www.cnblogs.com/smyhvae/Article Source: http://www.cnblogs.com/smyhvae/p/4046862.htmlObjectiveJSP itself is the knowledge in the Javaweb, but in learning the Android network, it is necessary to involve the interaction with the server, so it is necessary to learn the JSP and other javaweb content, at least to understand the program in the access to the server, the whole process of the pri

In learning Java This road, there is a class of self-study students, always let me feel a lot. Such students often perform very diligent studies every day, but few of them learn. They are extremely diligent, so hard to learn, but also very serious, why is not learn Java it?Through the small oranges I have a lot of contact, these people self-

20165209 2017-2018-2 "Java program Design" 9th Week study summary textbook learning content Summary URL class ULR objects typically contain the most basic three-part information: protocols, addresses, and resources. Construction Method:public URL(String spec) throws MalformedURLException Read resource: The calling InputStream openStream() method can return an input stream. InetAddress

Java basic knowledge study notes (2)Java basic programming structure 1 a simple java example public class FirstExample{ public static void main(String[] args){ System.out.println("we will not use 'hello world' "); }} What do we know from this program?1. java is

Elipse development Program output 99 multiplication table4. Experiment Summary:Through this experiment, I learned how to configure the Java Runtime Environment, and also learned that running Java requires a specific JDK environment and is configured by changing system variables and user variables, and by changing the user name and variable name. Also know the Java