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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, 205🔥, 0💬

Hello.java API Document
This section provides a tutorial example of how to generated a Java API document for the Hello.java class with 'javadoc' command.
2022-10-01, 205🔥, 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.
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Types of Collections of Elements
This section describes different types of collections: set, list and map. Set stores elements with no positions nor keys. List stores elements with positions. Map stores elements with keys.
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JMX Technology and jconsole Tool
This section describes the JMX API and 'jconsole'. Java application can be monitored with 'jconsole' using out-of-the-box JMX settings when launching the SUN JVM.
2022-10-01, 204🔥, 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.
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"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.
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Reference Data Types and Variables
This chapter provides tutorial notes and example codes on reference data types and variables. Topics include 5 reference data types; reference data type variables store references to objects; multiple variables referring to a single object; superclass-subclass relation; superinterface-subinterface r...
2022-10-01, 202🔥, 0💬

Java Related Terminologies
This chapter provides a list of terminologies related to Java programming language.
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Locales, Localization Methods and Resource Bundles
This chapter provides tutorial notes and example codes on localization methods and resource bundles. Topics include using java.text.SimpleDateFormat and java.text.DecimalFormat locale sensitive methods; using java.util.ResourceBundle class to define localization resource bundles; using java.util.Pro...
2022-10-01, 201🔥, 0💬

Encoding Conversion Programs for Encoded Text Files
This chapter provides tutorial notes and example codes on character encoding conversion. Topics include entering Unicode characters with \uxxxx escape sequences; viewing encoded text files in Hex values; converting text files from one encoding to another; viewing encoded text files in Web browsers; ...
2022-10-01, 201🔥, 0💬

java.security.KeyStore - The 'keystore' Class
This section provides a quick introduction of the java.security.KeyStore class, which represents a copy of a 'keystore' database file in memory.
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"jdeps class_file" - Dependencies of Class File
This section provides a tutorial example on how to use 'jdeps' command to show package level dependencies of a given Java class file.
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Class Type Variables Storing References
This section describes how references of class objects are stored in class variables of the same class type.
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Archived: Downloading and Installing JDK 8
This section describes how to download and install Java SE 8 (JDK 7) on a Windows system.
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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.
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Date and Time Object and String Conversion
This chapter provides tutorial notes and example codes on date and time string format. Topics include using java.util.DateFormat.format() method to format date objects into text strings; using java.util.SimpleDateFormat.par se()method to parse date strings into objects.
2022-10-01, 199🔥, 0💬

Socket Network Communication
This chapter provides tutorial notes and example codes on socket network communication. Topics include introduction to socket communication; creating a server socket and listening for connection requests; creating a client socket and connects to a server socket; creating server application for multi...
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Install JDK with "rpm" Command
This section provides a tutorial on how to download and install JDK packages from pkgs.org repository using 'rpm' command on CentOS systems.
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Data Types Supported in Java
This section provides a list of data types supported in Java: 8 primitive data types and 5 reference data types.
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Labeled "break" Statements
This section describes labeled 'break' statement, which is a branching statement that transfers the control to the end of the labeled enclosing block statement.
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Viewing Encoded Text Files in Web Browsers
This section provides a tutorial example on how to view text files with different encodings with Web browser Internet Explorer. The encoded text file should be modified to add proper HTML tags using the sample program EncodingHtml.java.
2022-10-01, 198🔥, 0💬

DOMParser.java - Parsing XML Files with DOM
This section provides a tutorial example on how to write an XML file parser, DOMParser.java, with the org.w3c.dom.Document class included in JDK.
2022-10-01, 198🔥, 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, 198🔥, 0💬

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