Posts about Java
Java encapsulation
May 10, 2021 13:00 0 Comment Java
Java encapsulation, Java encapsulation, Java encapsulation, In object-oriented program design, encapsulation refers to a method of wrapping and hiding the practical details of abstract lette
Java abstract class
May 10, 2021 13:00 0 Comment Java
Java abstract class, Java abstract class, Abstract class, Inherit abstract classes, Abstract methods, Java abstract class, In object-oriented concepts, all objects are depicted by classes, but in turn, not all classes are used to depict objects, and if
Java data structure
May 10, 2021 13:00 0 Comment Java
Java data structure, Java data structure, Enumeration, BitSet, Vector, Stack, Dictionary, Hashtable, Properties, Java data structure, The Java toolkit provides a powerful data structure., The data structure in Java consists of the following interfaces and classes
Java instance
May 10, 2021 14:00 0 Comment Java
Java instance, Java instance, Java environment settings instance, Java string, Java array, Java time processing, Java method, Java file operation, Java directory operations, Java exception handling, Java data structure, The Java collection, Java network instance, Java thread, Java instance, In this section, we'll introduce you to Java's commonly used examples, and learn from them that we can master Java applications faster.
Java data type
May 10, 2021 14:00 0 Comment Java
Java Data Type Tutorial - Java Data Type, Java Data Type Tutorial - Java Data Type, Two data types, Java Data Type Tutorial - Java Data Type, The following two lines of Java code define two integers: num1 and num2:, int num1;, int num2;, num1 and num
Java class instance
May 10, 2021 14:00 0 Comment Java
Java Object-Oriented Design - Java Class Instances, Java Object-Oriented Design - Java Class Instances, The null reference type, The point notation that accesses the field of the class, The default initialization of the field, Java Object-Oriented Design - Java Class Instances, Here is the general syntax for creating instances of classes:, new <Class Constructor>;, new, oper
Java factory mode
May 10, 2021 14:00 0 Comment Java
Java Design Mode - Factory Mode, Java Design Mode - Factory Mode, Example, Java Design, Mode - Factory Mode, Factory mode is a creation pattern because it provides a better way to create objects., In factory mode, we create o
Java keywords
May 10, 2021 14:00 0 Comment Java
Java Tutorial - Java Keywords, Java Tutorial - Java Keywords, The full list of keywords in Java, Use an identifier, Java Tutorial - Java Keywords, The full list of keywords in Java, Keywords are words whose meaning is defined by the programming language., Java keywo
New features for Java 8
May 10, 2021 14:00 0 Comment Java
New features for Java 8, New features for Java 8, New features, Programming style, New features for Java 8, Java 8 (also known as jdk 1.8) is a major version of Java language development., Oracle released Java 8 on March 18, 2014, wh
Java document notes
May 10, 2021 14:00 0 Comment Java
Java document notes, Java document notes, javadoc tag, Document comments, javadoc outputs what, Java document notes, Java is just three ways to annotate., The first two are // and / s/, and the third is called a description note, which starts wit
Java Applet Foundation
May 10, 2021 14:00 0 Comment Java
Java Applet Foundation, Java Applet Foundation, Applet's life cycle, "Hello, World" Applet:, Applet class, Applet's call, Get the applet parameters, Specify the applet parameters, The application is converted to an applet, Event processing, Displays the picture, Play audio, Java Applet Foundation, Applet is a Java program. I, t typically runs in Java-supported Web browsers., Because it has full Java API support, applet is
Java multithreaded programming
May 10, 2021 14:00 0 Comment Java
Java multithreaded programming, Java multithreaded programming, The life cycle of a thread, The priority of the thread, Create a thread, Create threads by implementing the Runnable interface, Create a thread by inheriting thread, Thread method, Create threads with Callable and Future, Create a comparison of the threads in three ways, Several key concepts of threading, Multithreaded use, Java multithreaded programming, Java provides built-in support for multithreaded programming. A, multithreaded program contains two or more parts that
Java sends a message
May 10, 2021 14:00 0 Comment Java
Java sends a message, Java sends a message, Send a simple E-mail, Send an HTML E-mail, Send an E-mail with attachments, The user authentication section, Java sends a message, Sending E-mail using the Java app is easy, but first you should install the JavaMail API and Java Activation Framework (JAF) on
Java file
May 10, 2021 15:00 0 Comment Java
Java IO Tutorial - Java File, Java IO Tutorial - Java File, Create a file, The current working directory, The existence of the file, Path, File separator, Java IO Tutorial - Java File, The object of the File class is an abstract expression of the path name of a file or directory., Create a file, We can c
Java XML API
May 10, 2021 15:00 0 Comment Java
Java XML Tutorial - Java XML API, Java XML Tutorial - Java XML API, SAX API, SAX package, DOM API, DOM package, XSLT API, StAX APIs, StAX package, Java XML Tutorial - Java XML API, SAX API, Here is a summary of the key SAX APIs:, Class, Usage, SAXParserFactory, Create an instance of the parser .x