價格：免費
更新日期：2019-03-05
檔案大小：3.1M
目前版本：1.0
版本需求：Android 4.0.3 以上版本
官方網站：http://www.porcomputador.com
Email：becerracesar27@gmail.com
聯絡地址：Clle 73 13-54 Bogotá. Colombia
The application includes a set of questionnaires to evaluate your Java knowledge and a module that allows the student to write the reason why he/she chose an answer for any question.
Additionally, exercises on each topic are proposed for the student to develop and practice the Java language.
The documentation associated with each questionnaire, together with the questions of each one, can be used to study the topics of each question and learn new important aspects of the Java language.
The subject that the user will find and can review in the questionnaires is:
Operators and data types:
- Numerical systems: decimal, octal and hexa
- Molds (cast)
- Hierarchy of operators
- Storage of negative numbers
- Bitwise and arithmetic operators
- Read and write instructions
Logical and relationship operators
Boolean type variables
Decision instructions
- The instruction switch
- break,
- if else, nested
- if statement? :
Cycles
- for, while and do-while
- Operation of an accumulator within a cycle
- Calculation of the factorial.
- The Math.random() function
- Combinations C (n, r)
- The Fibonacci sequence
- Handling the nested for and while cycle
Arrangements
- Tours with indices
- Nested cycles
- Definition of arrangements.
- Initialize in your definition
- Initialize using cycles
- Element of an array used as an index for another array
- Conversion of a character to number
- Programs with two arrangements
Methods of the String class
Methods of the Arrays class
Methods of the Calendar class
Methods of the Integer class
Matrices
- Tour of matrices by rows and columns
- Synthetic division.
Classes and objects
- Definition of classes and objects
- The reference this
- Public, private and protected blocks
- Methods and attributes
- Builders overload
- Parameter by value and by reference
- Use of local variables
- Calling methods using objects
- Scope of the variables
- The public static void main () function
- Relations between classes:
Composition
Aggregation
Association
Classes in Java
- How to draw a figure using paint ()
- Creation of a framework (JFrame)
- The WindowAdapter object to close a frame
- Objects of type JTextField
- Listener for JButton, JRadioButton, JCheckBox
- The ActionListener interface
- Color capture of the frame surface
- Transfer of objects to methods
- Location of components using setLayout
- The JOptionPane class.
Heritage
- How an object is stored in an array
- The super () instructions and extends
- That is inherited in the derived class
- Call to the builders in the inheritance
- The protected modifier
Polymorphism and Interfaces
- Abstract classes and methods
- Signature and body of a method
- Creation of interfaces and abstract classes
Events
- The interfaces FocusListener, KeyListener, MouseListener
- The MouseEvent, KeyEvent,
- ComponentEvent classes
- Objects of type JCheckBox
- Adapters: MouseAdapter, KeyAdapter, ComponentAdapter
Threads
- The wait () / notify () protocol
- The Runnable interface
- The Calendar and Timer classes
Files
- The classes RandomAccess
- File,
- FileInputStream,
- FileOuputStream,
- BufferedReader,
- BufferedInputStream,
- BufferedWriter
- BufferedOutputStream
Collections in Java
MySql Databases
UML concepts
The replacement of Liskov