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Enum Types and Enum Constants
This chapter describes enum types and enum constants. Topics include 'enum' declaration statement, instance variables and instance methods of enum constants, enum supertype and type hierarchy, inherited static and instance methods, compiler added implicit methods. 2022-10-01, ∼442🔥, 0💬

Java Date-Time API
This chapter provides tutorial notes and example codes the Date-Time API. Topics include introduction of the java.time package; classes representing moments of time in Epoch seconds or in ISO 8601 calendar date and time fields; classes representing duration of time in seconds and calendar periods in... 2022-10-01, ∼440🔥, 0💬

java.time.Instant - Representing a Moment of Time
This section describes the java.time.Instant class that represents a moment of time expressed in 2 components, Epoch-Second and Nanosecond-of-Second. 2022-10-01, ∼439🔥, 0💬

java.util.SimpleDateFormat.parse() - Parsing Date Strings to Objects
This section provides a tutorial example on how to use the java.util.SimpleDateFormat.par se()method to parse or convert date and time strings to date objects. 2022-10-01, ∼437🔥, 0💬

No-Element (Marker) Annotation Invocation
This section provides a tutorial example on how to use the marker format in annotation invocation statements, if no annotation elements are needed. 2022-10-01, ∼437🔥, 0💬

Execution Process, Entry Point, Input and Output
This chapter provides tutorial notes and tutorial examples on Java program execution process. Topics include Java program creation, compilation and execution; the main() method - execution entry point; execution console, input and output data streams. 2022-10-01, ∼435🔥, 0💬

Browsing Object Instance Values
This section provides a tutorial example on how to search for an object instance and browse its values and references in a Java heap dump file through the 'jhat' Web server. 2022-10-01, ∼433🔥, 0💬

Adding JDK "bin" Directory to Path Setting
This section provides a tutorial on how to add JDK 'bin' directory to the 'path' system envirnoment variable. 2022-10-01, ∼433🔥, 0💬

Shift Operations - Left, Right or Unsigned Right
This section describes shift operations: 'Left Shift', 'Right Shift', and 'Unsigned Right Shift'. A tutorial example is provided to show you how shift operations work on 'int' data type values. 2022-10-01, ∼432🔥, 0💬

Assert Statements and -ea" Option
This chapter provides tutorial examples and notes on Java assertion facility. Topics include 'assert' statements; '-ea' JVM option to enable assertion. 2022-10-01, ∼432🔥, 0💬

jshell - What Is It
This section describes what is 'jshell' - a command line tool that allows you to interactively evaluates declarations, statements, and expressions. 2022-10-01, ∼431🔥, 0💬

java.time.Duration Usage Examples
This section provides a tutorial example on how to use the java.time.Duration class to capture and apply duration of time, and to retrieve days, hours, minutes, seconds and nanoseconds values. 2022-10-01, ∼429🔥, 0💬

java.util.Calendar.add() - Calendar Manipulation Method
This section provides a tutorial example on how to use the java.util.Calendar.add() method to manipulate any elements in a calendar object. 2022-10-01, ∼429🔥, 0💬

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. 2022-10-01, ∼428🔥, 0💬

ReverseEchoer.java - A Simple Server Socket Application
This section provides a tutorial example on how to write a network application, ReverseEchoer.java, that creates a server socket and listens for remote connection requests. 2022-10-01, ∼428🔥, 0💬

Java Related Terminologies
This chapter provides a list of terminologies related to Java programming language. 2022-10-01, ∼426🔥, 0💬

Enum Constant Implicit Methods
This section describes 2 static methods implicitly added by the Java compiler to all enum types declared by the 'enum' statement. 2022-10-01, ∼424🔥, 0💬

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, ∼423🔥, 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, ∼423🔥, 0💬

"javac -X" - Specifying Non-Standard Options
This section describes the Java compiler non-standard options, '-X...'. 2022-10-01, ∼422🔥, 0💬

"java --module" - Launching Program from Module
This section provides a tutorial example on how to use 'java --module' command to launch a program that is packaged in a Java module. 2022-10-01, ∼421🔥, 0💬

Java Modules - Java Package Aggregation
This chapter provides tutorial notes on Java modules. Topics include Java module descriptor; module dependency; exporting package out of module; creating module JAR/JMOD file; creating custom JRE with added modules; testing package visibilities. 2022-10-01, ∼420🔥, 0💬

java.time.OffsetDateTime Usage Examples
This section provides a tutorial example on how to use the java.time.OffsetDateTime class to record and manipulate date and time local to specific UTC offset. Operations on java.time.OffsetDateTime objects respect ISO 8601 calendar rules. But they do not respect local timezone rules. 2022-10-01, ∼419🔥, 0💬

Calling and Importing Classes Defined in Unnamed Packages
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, ∼417🔥, 0💬

<< < … 5 6 7 8 9 10 11 12 13 14 15 … > >>   ∑:488  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO