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Character Set Encoding Maps
This chapter provides tutorial notes and example codes on character set encoding maps. Topics include collection types: encoding map analyzer program; analyzing and print encoding maps for US-ASCII, ISO-8859-1/Latin 1, Windows CP1252, Unicode UTF-8, UTF-16, UTF-16LE, UTF-16BE; sample program to coun...
2022-10-01, 180🔥, 0💬

DOMValidator.java - XML DTD Validation with DOM
This section provides a tutorial example on how to write a DTD validator using DOM classes in JDK. The validator can validate an XML file against the specified DTD statements.
2022-10-01, 180🔥, 0💬

Downloading and Installing JDK on Mac
This section describes how to download and install JDK 13 on a Mac computer
2022-10-01, 180🔥, 0💬

Generic Methods and Type Inference
This chapter provides tutorial notes and example codes on generic methods and type inference. Topics include what is a generic method; declaring type parameters; specifying type arguments; compiler performing type argument inference; using type parameter in parameterized types.
2022-10-01, 180🔥, 0💬

The "Thread" Class - Creating Thread Objects With Thread Sub Classes
This section provides a tutorial example on how to create new threads with your own classes extended from the 'Thread' class. You need to override the run() method in your own classes.
2022-10-01, 180🔥, 0💬

ThreadGroup Class and "system" ThreadGroup Tree
This chapter provides tutorial notes and tutorial examples on the ThreadGroup class and the 'system' ThreadGroup tree. Topics include main methods of the ThreadGroup class, displaying the 'system' ThreadGroup tree, adding threads and thread groups, testing the reported JDK 1.3 bug - memory leak of u...
2022-10-01, 180🔥, 0💬

"if-then" Statements
This section describes 'if-then' statement, which is a decision-making statement that executes contained sub-statements only when the given 'boolean' expression is 'true'.
2022-10-01, 180🔥, 0💬

getAnnotations() Method - Annotation APIs
This section provides a tutorial example on how to use the getAnnotations() method and other annotation APIs to obtain annotation information at runtime.
2022-10-01, 179🔥, 0💬

DOMBrowser.java - Browsing DOM Tree Structure
This section provides a tutorial example on how to write a DOM object browser, DOMBrowser.java, to browse through the DOM object tree structure and print the content at each tree node.
2022-10-01, 178🔥, 0💬

SAX Content Handler Interface
This section describes the SAX content handler interface, org.xml.sax.ContentHandler, which allows you write your own SAX handler by implementing its event handler methods like startElement() and endElement().
2022-10-01, 178🔥, 0💬

Reading and Writing Certificates in DER and RFC Formats
This section provides test results of using my JcaCertificateTest.java program to read in certificates in DER and RFC formats. Those certificates are generated with the 'keytool' command tool.
2022-10-01, 178🔥, 0💬

What Is JDK
This section describes what is JDK (Java Development Kit) - a development environment for building software applications and software components using the Java programming language.
2022-10-01, 178🔥, 0💬

Generate API Document for Java Package
This section provides a tutorial example of how to add javadoc-style comments in Java classes in a packag, add package.html, and generate the API document for the package.
2022-10-01, 178🔥, 0💬

Archived: Installing JDK 12 on Windows
This section provides a tutorial example on how to download and install JDK 12, which includes some nice Java tools, on a Windows system.
2022-10-01, 178🔥, 0💬

"switch" Statements
This section describes 'switch' statement, which is a decision-making statement that executes a portion of the contained statement block by passing control to a sub-statement based on label matching.
2022-10-01, 178🔥, 0💬

Character Set Encoding Map Analyzer
This section provides a tutorial example on how to write a simple program to analyze and print out the encoding map showing relations between character code points and their encoded byte sequences of a given encoding.
2022-10-01, 176🔥, 0💬

"jrunscript -f" - Run JavaScript in Batch Mode
This section provides a tutorial example on how to use 'jrunscript -f ...' to run JavaScript code in batch mode.
2022-10-01, 176🔥, 0💬

Literal Formats for Floating-Point - Example
This section provides a tutorial example on how to use floating-point literals in 2 formats: decimal and hex.
2022-10-01, 176🔥, 0💬

Displaying the "system" ThreadGroup Tree
This section provides a tutorial example on how to display the 'system' ThreadGroup tree by using the enumerate() and list() methods.
2022-10-01, 176🔥, 0💬

The Automated Garbage Collection Process
This section a tutorial example on how to find out when the garbage collector automatically performing the garbage collection process.
2022-10-01, 176🔥, 0💬

DTD (Document Type Definition) - XML Validation
This chapter provides tutorial notes and example codes on DTD (Document Type Definition). Topics include writing an XML DTD validator using DOM and SAP interfaces; overriding error handler methods to print validation errors.
2022-10-01, 175🔥, 0💬

What Is Date-Time API
This section provides introductions on what the Date-Time API introduced in Java 8 (JDK 1.8). The Date-Time API is replacing the java.util.Date class and the java.util.GregorianCalendar class.
2022-10-01, 174🔥, 0💬

Data Structures of Collection Implementations
This section describes different types of data structures that can be used to implement collections: Array, Linked List, Binary Tree, and Hash Table. Implementing collections with different data structures will have different performance impacts.
2022-10-01, 174🔥, 0💬

Runtime.getRuntime() - Getting the Runtime Object
This section describes the system Runtime object and the Runtime.getRuntime() method to get it from the JVM.
2022-10-01, 173🔥, 0💬

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