top java books 2017

20165301 2017-2018-2 "Java program design" The third week study summary textbook Study content Summary fourth chapter: Class and Object class : Declaration of class: Class+ class Name Class Body: Declaration of Member Variable + method (local variable + statement) Object Construction method: As with the class name, no type To create an object: Declaring objects: Class name +

20165318 2017-2018-2 "Java Programming" Nineth Week study SummaryDirectory Problems encountered in learning process and summary Summary of learning contents of textbook 13th Chapter Java Network Programming Code Hosting Code statistics Problems encountered in learning process and summary Q1: Run the textbook Exa

20165218 2017-2018-1 "Java Program Design" 8th Week study Summary Textbook Learning summary Chapter 12th Java multithreading mechanism threads in Java a computer can execute only one thread at any given time , and a multithreaded mechanism is a way for a Java virtua

20155208 Xu Zihan 2016-2017-2 "java program Design" 7th Week study summary textbook study content summary 13th time and date13.1 Recognize time and date For now, even if the label is GMT (either a file description or a date-time string description of the API), it actually refers to the UTC time. The unit definition of the second is based on the Tai, which is the number of radiation vibrations o

20172325 2016-2017-2 "Java Program design" Fourth week study summary textbook study summary1. A further understanding of the definition and properties of classes, objects, declaration variables2. Learn how to write a class and apply it to the required program3. Learn the concepts and differences of formal parameters and arguments4. The role and use of modifiers, such as public and private5. Learn static cla

20165103 2017-2018-2 "Java Program Design" 3rd week Study summary Textbook study summary Learn about several stages of programming language development: for machine language (e.g. assembly language)-for procedural languages (e.g. C)-object oriented language (e.g. Java) The object-oriented language has the characteristics of encapsulation, inheritance

20172325 2017-2018-2 "Java Programming" Nineth Week study SummarySummary of learning contents of textbook1. Learn the basic concepts of anomalies;2. Distinguishing between exceptions and errors: An exception is an object that defines an abnormal condition or error that is thrown by the program or run-time environment and can be captured and processed as needed. The error is similar to an exception,

20165312 2017-2018-2 "Java Program Design" 8th Week study summary of the first and 12th chapters of knowledge points Processes and Threads A process is a dynamic execution process of a program that corresponds to a complete process from code loading to execution to completion. A thread is not a process, and during its execution, a process produces multiple threads that can share code an

20172325 2017-2018-2 "Java Program design" Sixth week study summary textbook study summary1. Using [] To create an array, the entire column of data can be referenced by the array name, each element in the array can be referenced by its position in the array;2. The bounds check of an array is declared in advance by the size of the arrays, and once the value entered later exceeds the range automatically termi

20165205 2017-2018-2 "Java program design" Nineth Week study summary textbook study summary Learn how to use URL classes How to construct a URL class: public URL(String spec) throws MaldormedURLExceptionThis construction method initializes a URL object with a string public URL (String protocol,String host,String file)throws MaldormedURLExceptionThe protocol, address, an

20165226 2017-2018-4 "Java Program Design" 8th Week study summary textbook Study content summary 12th Chapter There are three ways to create threads, namely: Inherit the thread class to create threads that you can use if you want to get the current thread object: Thread.currentThread() ; If you want to return the name of a thread, you can use the method: getName() ; Implementing th

AWT constructs graphical interface user basic elements, used to design GUI component classes and container classes, most AWT components have their swing equivalent components, swing component name is usually added in front of the AWT component name "J" such as JButton. Java creates an object created by subclasses or indirect subclasses of the component class as a component, which is a component in Java that

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 the structure and use of the method definition:

. (the args parameter starts with the third parameter of the command line)The 10.java interrupt control flow statement does not have a goto statement, and the tag break statement provided in Java is similar to that in C, and is used to jump out of multiple nested loop statements.The 11:biginteger class realizes the integer operation of arbitrary precision, and BigDecimal realizes the floating-point operatio

, he is non-buffered. Code HostingSentimentThe most important thing to learn a program language is more practice, first of all, even if you do not understand the code, can only look at other people's code to play, see more gradually will understand, at least understand the basic framework of the language, how to start, how to describe, what is the routine. After that, the program will be able to fully understand the meaning of the code.Learning progress Bar Code lines

20155317 Wang Ying 2016-2017-2 "Java Programming" 5th Week study SummarySummary of learning contents of textbookException Handling Collection and map exception inheritance schemas The wrong object inherits the Java.lang.Throwable class, and Throwable has two subclasses Java.lang.Error with Java.lang.Exceptions. A.erroe with its subclass instance represents a serious system error.

20165211 2017-2018-2 "Java Program Design" 6th Week Study summary Textbook study summaryThis week, I learned the contents of Chapter 85 or 15 of the book, the following is my main knowledge.The eighth chapter constructs the string object by the common practical class string classConstant objects:,,, "你好" "12.97" "boy" string constants are also objects, so they also have their own references and objects.Stri

20172333 2017-2018-2 "Java Program Design" 4th Week study summary textbook learning content1. Definition and concept of class structure2. Using instance data to establish the concept of object state3. Describe the effect of the visibility modifier on methods and data4. The use of learning method parameters and return values5. Structure and use of construction methods6. Learn the main steps of object-oriente

20165115 2017-2018-2 "Java Program design" Fourth week study summary textbook study summaryThe fifth chapter mainly focuses on the inheritance of subclasses, and introduces a series of methods and keywords on this basis. In the sixth chapter, the main content is the implementation of the interface.Code HostingLast week's summary of the wrong quizSupplement after completionResources

20165236 2017-2018-2 "Java Programming" Nineth Week study SummaryThe 13th chapter summarizes the contents of the textbook1. URL classThe URL class is an important class in the java.net package, and the application that uses the URL to create the object is called the client program. A URL object typically contains the most basic three-part information: protocol, address, and resource.URL Construction method: