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Importing Classes from Unnamed to Named Packages
This section provides a tutorial example on how to import classes defined in an unnamed package to a named package. The imported class must be defined as 'public'.
2022-10-01, ∼289🔥, 0💬

Certificates and Certificate Chains
This section describes certificate and certificate chain. A certificate contains someone's public key signed by a trusted authority.
2022-10-01, ∼289🔥, 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, ∼288🔥, 0💬

KeyPair and KeyPairGenerator Classes
This section describes the KeyPair and KeyPairGenerator Classes. The KeyPairGenerator.generateKeyPa ir()can be used to generate a private and public key pair.
2022-10-01, ∼288🔥, 0💬

What Is Annotation
This section describes the annotation programming facility that allows you to associates additional information with a program construct.
2022-10-01, ∼288🔥, 0💬

What Is a Socket?
This section describes what is a socket - An concept represents one end-point of a two-way communication link between two programs running on the Internet network.
2022-10-01, ∼286🔥, 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, ∼286🔥, 0💬

XSL (Extensible Stylesheet Language)
This chapter provides tutorial notes and example codes on XSL (Extensible Stylesheet Language). Topics include default XSL implementation classes in JDK; writing an XML transformer program using XSL (Extensible Stylesheet Language).
2022-10-01, ∼285🔥, 0💬

References
List of reference materials used in this book.
2022-10-01, ∼285🔥, 0💬

Establishing a Socket Communication Link
This section describes how to establish a socket communication link. A server application runs a socket in listen mode and a client application connects a client socket to the server socket.
2022-10-01, ∼284🔥, 0💬

"jdeprscan --release X" - Deprecated API as of Release X
This section provides a tutorial example on how to use 'jdeprscan' command to scan for deprecated APIs of a given JAR file as of a specific JDK release.
2022-10-01, ∼284🔥, 0💬

Predefined Annotation Types
This section describes annotation types predefined in the current Java version. A tutorial example is also provided on how to use predefined annotation @Deprecated.
2022-10-01, ∼283🔥, 0💬

JcaMessageDigest.java - Message Digest Sample Program
This section provides a tutorial example on how to write a sample program to use the java.security.MessageDigest class to digest any input file with the MD5 or SHA message digest algorithm.
2022-10-01, ∼281🔥, 0💬

jshell - Entering Expressions and Statements
This section provides a tutorial example on how to start 'jshell' and enter expressions and statements.
2022-10-01, ∼281🔥, 0💬

gc() - The Garbage Collection Method
This section provides a tutorial example on how to use the garbage collection method gc() on the default Runtime object to control the garbage collection process by yourself.
2022-10-01, ∼281🔥, 0💬

Example Program of Using the gc() Method
This section provides a tutorial example on how to use the garbage collection method gc() on the default Runtime object to test object references and memory usages.
2022-10-01, ∼281🔥, 0💬

SAXValidator.java - XML DTD Validation with SAX
This section provides a tutorial example on how to write a DTD validator using SAX classes in JDK. The validator can validate an XML file against the specified DTD statements.
2022-10-01, ∼280🔥, 0💬

Writing My First Java Program
This section provides a tutorial example on how to write, compile, and execute the first Java program with JDK 1.8.0.
2022-10-01, ∼280🔥, 0💬

java.time.Period Usage Examples
This section provides a tutorial example on how to use the java.time.Period class to capture and apply calendar periods in terms of years, months and days.
2022-10-01, ∼279🔥, 0💬

DOM (Document Object Model) - API for XML Files
This chapter provides tutorial notes and example codes on DOM (Document Object Model). Topics include parsing XML files into DOM objects; browsing DOM object tree; building new DOM objects; converting DOM objects to XML files.
2022-10-01, ∼279🔥, 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, ∼279🔥, 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, ∼279🔥, 0💬

CPU Execution Time Shared by Multiple Threads - Test Output
This section provides the test output of a tutorial example on how to measuring CPU execution time allocated to threads with different setPriorities.
2022-10-01, ∼278🔥, 0💬

DatagramServer.java - A Datagram Server Application
This section provides a tutorial example on how to write a network application, DatagramServer.java, that creates a datagram server socket and listens for incoming packets.
2022-10-01, ∼277🔥, 0💬

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