Posts about Groovy
Groovy is optional
May 14, 2021 20:00 0 Comment Groovy
Groovy is optional, Groovy is an "optional" type of language, and this distinction is an important language when understanding the fundamentals of language. J, ava is a "
Groovy features
May 14, 2021 21:00 0 Comment Groovy
Implement the interface, Implement the interface, Property, The composition of the behavior, Extended features, Features are the structural construction of the language, allowing -, The composition of the behavior., The runtime implementation of the interface.,
Groovy JMX
May 14, 2021 21:00 0 Comment Groovy
Monitor the JVM, Monitor the JVM, Monitor Tomcat, JMX is the defacto standard that monitors all applications that have anything to do with the Java virtual environment., va., Monitor the JVM, JVM moni
Groovy XML
May 14, 2021 21:00 0 Comment Groovy
What is XML?, What is XML?, XML support in Groovy, XML tag generator, XML parsing, XML is a portable, open source language that allows programmers to develop applications that can be read by other applications, regardless of operatin
Groovy comment
May 14, 2021 21:00 0 Comment Groovy
A one-line comment, A one-line comment, Multiple lines of comments, The type of string, The enumerity type, Class type, Comment member values, Close the comment parameters, Meta-comments, Comments are forms of metadata that provides data about programs that are not part of the program itself., Comments have no direct effect on the opera
Groovy closure
May 14, 2021 21:00 0 Comment Groovy
The formal parameters in the closure, The formal parameters in the closure, Closures and variables, Use closures in methods, Closures in collections and strings, The method used by the closure, A closure is a short block of anonymous code. I, t usually spans several lines of code. O, ne method can even use blocks of code as arguments., They a
Groovy generics
May 14, 2021 21:00 0 Comment Groovy
The universality of the collection, The universality of the collection, Generic class, Generic enable types (classes and interfaces) are used as parameters when defining classes, interfaces, and methods., b20>, pe., The universality of t
Groovy is object-oriented
May 14, 2021 21:00 0 Comment Groovy
Getter and setter methods, Getter and setter methods, The instance method, Create multiple objects, Inherited, Extended, The internal class, Abstract class, Interface, In Groovy, as in any other object-oriented language, there are concepts of classes and objects to represent the object-oriented nature of the programm
Groovy exception handling
May 14, 2021 21:00 0 Comment Groovy
Catch an exception, Catch an exception, Multiple capture blocks, finally block, Any programming language requires exception handling to handle run-time errors so that the application's normal flow can be maintained., Exceptions of
Groovy regular expression
May 14, 2021 21:00 0 Comment Groovy
Groovy regular expression, Regular expressions are patterns used to find substrings in text., Groovy, 〜“regex”, The text contained in the quotation marks represents the expressi
Groovy date and time
May 14, 2021 21:00 0 Comment Groovy
Groovy date and time, Date(), Date (long milliseconds). ), Class Date represents a specific moment with millisecond accuracy., The Date class has two constructors, as shown below., Date(), Syntactic, public Da
Groovy JSON
May 14, 2021 22:00 0 Comment Groovy
JSON function, JSON function, Use Jason Slurper to parse the data, JsonOutput, This chapter describes how to use the Groovy language to parse and generate JSON objects., JSON function, Function, Library, JsonSlurper, Json Slurper
Groovy DSLS
May 14, 2021 22:00 0 Comment Groovy
Groovy DSLS, Groovy allows parentheses to be omitted around the parameters of the method call of the top-level statement., ls., his extension works by allowing a p
Groovy database
May 14, 2021 22:00 0 Comment Groovy
The database connection, The database connection, Create a database table, The insertion operation, Read the operation, The update operation, Delete the action, The transaction is executed, Submit the action, Roll back the operation, Disconnect the database, Groovy's groovy-sql module provides more advanced abstractions than the current Java JDBC technology., The Groovy sql API supports a wide variety of d
Groovy Builder
May 14, 2021 22:00 0 Comment Groovy
Groovy Builder, Swing Builder, The event handler, DOM generator, JsonBuilder, NodeBuilder, FileTreeBuilder, During software development, developers sometimes spend a lot of time creating data structures, domain classes, XML, GUI layouts, output streams, and