1. What is Java serialization and how do I implement Java serialization? or please explain the role of the Serializable interface?What technologies are available for each part of 2.MVC? How is it implemented?3. What is the main use of Spring technology in development?4. What is the understanding of spring and what is used in the project? How is it used? Understanding and implementing principles for IOC, and
invocation, and the argument changes the value of the parameter with its own value (pointers, references are in this column), that is, the actual argument is passed. D: The parameter list of the method specifies what information to pass to the method, using the form of the object. Therefore, you must specify the type and name of each passed object in the argument list. Like anything in
This week we have analyzed the previous procedures and learned the contents of the Nineth chapter of the collection.The next step is to strengthen the review of the knowledge we have learned, and it is also an adjustment to deepenThe process.We mainly master vector, Stack, Hashtable three classes, in the learning process moreIn-depth mastery of the ArrayList class. ArrayList implements an array that is variable in size andCan be accessed like a linked list
12 weeks in Thursday, the teacher made a small quiz on the first four chapters and explained it in the second class. In the first to Nineth chapter summarizes the review material to have many tests to mention the knowledge point. The last one of the books I programmed was demonstrated in the Friday experiment class. The following is a review of the Java Collection framework. The
chapter constructor is a more focused knowledge. Constructors are a very important concept in Java and C # Learning, and constructors can provide a number of special methods, constructors as a method for initializing member variables (domains) in a class. Instance constructors are divided into default constructors and non-default constructors. The best use of a constructor is to perform initialization when an object is created, and when an object is
the user name, click OK to save the file to local.11.checkboxlist.javaThe file contains a public CheckBoxList class, and the main function is to provide font style options.12.mousea.javaThe file contains a public Mousea class, which is used primarily to monitor and manipulate the corresponding time of the mouse when drawing.13.mouseb.javaThe file contains a public mouseb class that is used to complete the corresponding event when the mouse is dragged and the mouse is moved.Three. Project Progre
First, class structure diagramAll classes are implemented this week, and the following are the class diagrams implemented this week:Ii. Progress of the projectAll the code has been written, and the overall test is being done. Although some problems were encountered during the period, we discussed it together and found the information, which finally solved the problem and the project was being perfected.Third, reference books"
class.The collection, Set, list, Map, SortedMap are also known in this chapter. Collection is the root interface in the collection hierarchy, the JDK is not the implementation class that provides this interface directly, the set cannot contain duplicate elements, the elements must be unique, and the object elements added to the set must define the Equals method. To provide an algorithm to determine whether the object to be added is equal to an alread
not selected. 4.radio Button(Radio Buttons)(1)Syntax Format: CheckboxGroup ()(2)function: constructs a group of entries. 5.Select Menu(Choice Menu)(1)Syntax Format: Choice ()(2)function:constructs a selection menu. (3)Description:after the construction, then useChoicein the classAddItemmethod to add an entry to the menu. 6.list Box(scrolling List) L(1)Syntax Format: Li
the ape friends, generally will be more impatient gas manic, the technical curiosity is strong, especially some tall technology, what big data, cloud computing, architecture, and so on, some biased to technical research, some biased in business. Most programmers may choose to be biased in favor of technical research, so they are less likely to be interested in business, and therefore feel that doing it every day is no fun. At this time, calm down to analyze what kind of direction you are. Can y
This week past, it has been more than half of the semester, the teacher on the 1 to 8 chapters of the content of the review, do feel that the front of the things are not so difficult, although there is still a little problem, but have to say that the teacher's method is really effective. This chapter we learn the collection, and the data structure has a great connection, list is a sequential table, stack is the stack, tree is the trees. Many of the al
this week is still learning about interfaces, but learning lambda expressions makes blocks of code more concise. Lambda form -up is essentially an anonymous method. As the following example:public int Add (int x, int y) {return x + y; }This looks like this after turning into a lambda expression: (int x, int y), x + y;Parameter types can also be omitted, and the Java compiler is inferred from the context:(x, y), x + y; Returns the sum of two numbersor
The first is my understanding of the concept of inheritance, the so-called inheritance is on the basis of existing classes to create a new subclass, the inherited class is called the superclass or the parent class. Subclasses have some properties, the first subclass inherits the parent class's domain and method, so-called inheritance can call the method in the parent class through the subclass, and the second subclass can overwrite the method (override) of the parent class as needed; Thirdly, wh
Learning Java Events for 13 weeks, feel that they still can not complete a program, sometimes clear-minded but there is no way to write. Just like last week's final program, the problem that can't be written is mostly not usedEnter information for 5 specific graphs from the keyboard and save them in an array or array list, as well as the public and class mix when creating the class. Later through the teache
Before we recommended the Java language reading books, the following for you to learn from which aspects of the Java language to start learning, the specific contents are as follows
1. Java Language Basics
When it comes to the basics of Java language Learning, you will cer
1. Java Language BasicsWhen it comes to basic Java language Learning books, you will definitely recommend Bruce Eckel's "Thinking in Java". It is a very profound technical book written, the Java languageBasic part basically no other book can go beyond it. Bruce Eckel, the au
recently again read the book-"Data Structure and algorithm analysis" coupled with the previous reading of the "Java Data Structure" is a further in-depth study of data structure, So I'm going to write a series of data structure posts to deepen our understanding, these blogs cover their own understanding of data structures and algorithms and also contain the basics of such books, so posting will include ref
and returns the element at the index.
Object Set (int index, object element): Replace the element at the index index with an element object, returning the new element.
List sublist (int fromIndex, int toindex): Returns a subset of all the collection elements from the index FromIndex (contained) to the index Toindex (not included).
The list collection can insert, replace, and delete collection
, do not delete the first element in a queueSystem.out.println (Books.peek ());SYSTEM.OUT.PRINTLN (books);Access, and delete the first element in a queueSystem.out.println (Books.poll ());SYSTEM.OUT.PRINTLN (books);}}ArrayList and vectors are stored as arrays, so the random access to the collection element performs well, the LinkedList is stored as a list, and th
Reprint please indicate the source (extremely grateful.) ):http://blog.csdn.net/javazejian/article/details/53047590From "Zejian's blog."
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