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Shiny Jessy ๐Ÿ’— retweeted
JShellใชใ—ใงใ‚‚Java 25ใชใ‚‰ใ“ใ‚Œใใ‚‰ใ„ใพใง็Ÿญใๅ‡บๆฅใ‚‹ใ‹ใ€‚java.nioใ‚‚java.baseใ ใ‹ใ‚‰import่ฆใ‚‰ใชใ„ใฎใ‚’่ชฟในใฆ็Ÿฅใ‚Šใพใ—ใŸใ€‚ void main() throws Exception { try(var br = Filesโ€‹.newBufferedReader(Path.of("/path/to/dir")) { var l = br.readAllLines(); l.forEach(IO::println); } }
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Replying to @sekimiya @a2uky
ใชใฎใงใ€Œใƒ—ใƒญใซใชใ‚‹Javaใ€ใฏJShellใงๆ—ฅไป˜ใชใ‚“ใ‹ใฎ่จˆ็ฎ—ใ—ใฆSwingใงใ‚ฆใ‚ฃใƒณใƒ‰ใ‚ฆใ ใ—ใŸใ‚Šใ—ใŸใ‚ใจใงใ€ๆกไปถๅˆ†ๅฒใจใ‹ใƒซใƒผใƒ—ใจใ‹ใ‚„ใฃใฆใพใ™ใ€‚ใƒซใƒผใƒ—ใฏListใจใ‹Mapใฎใ‚ใจใ€‚ ๅฐ‘ใชใใจใ‚‚ใ€ใƒ†ใ‚ญใ‚นใƒˆๅ‡บๅŠ›ใ ใ‘ใ‚„ใฃใฆใŸใ‚‰ใƒ€ใƒกใงใ™ใญใ€‚UIไฝœๆˆใฏๅฟ…้ ˆ
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Cualquiera que busque enseรฑar o aprender Java deberรญa hacerlo desde la Jshell. En Big 2026 el "Hello World" en Java deberรญa ser 1. ejecutar el comando jshell. 2. IO.println("Hello World!") Cualquier otro enfoque es demasiado complejo para quienes van empezando en el lenguaje.
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็ ”ไฟฎใง็„ก้ง„ใ ใจๆ€ใฃใŸใฎใ€ใ‚ตใ‚ฏใƒฉใ‚จใƒ‡ใ‚ฃใ‚ฟใงJavaๆ›ธใ‹ใ›ใ‚‹ใ‚„ใคใ€‚ jshellๆ›ธใๆ™‚ใซ่ฟ‘ใ„ใ“ใจใ—ใฆใฏใ„ใ‚‹ใ‘ใฉๅˆฅใซimportๆ–‡ใจใ‹ๆ›ธใ‹ใชใใฆใ‚‚่ฆšใˆใ‚‰ใ‚Œใ‚‹ไธŠใซJavaใ‚’IDEไฝฟใ‚ใšๆ›ธใ‹ใ›ใ‚‹ใฎใƒŠใƒณใ‚ปใƒณใ‚น้ŽใŽใ‚‹ใจๆ€ใ†ใ€‚ VSCodeใซๆ‹กๅผตๆฉŸ่ƒฝๅ…ฅใ‚Œใฆใจใ‹ใชใ‚‰ใพใ‚ใ€ใ„ใ„ใ‹ใ‚‚ใ ใ‘ใฉใ€‚
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Replying to @hisaju01 @s_umeno
ใ‚จใƒ‡ใ‚ฃใ‚ฟไฝฟใ‚ใชใ„๏ผ โ€ฆjshellใ‚ชใƒณใƒชใƒผใ™ใ’ใ‡(๏พ๏พƒ
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Mar 30
I'm in jshell hell
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Replying to @WKSHY_
ใ‚ใƒผใ”ใ‚ใ‚“ใ€Pythonใฏๅ˜ใชใ‚‹ๆฏ”่ผƒไพ‹ใงๅ‡บใ—ใŸใ ใ‘ใงใ€ ่จ€ใ„ใŸใ‹ใฃใŸใฎใฏ Javaๅดใ‚‚ๅญฆ็ฟ’้šœๅฃใฎ้ซ˜ใ•ใฏใกใ‚ƒใ‚“ใจๅ•้กŒ่ช่ญ˜ใ—ใฆๆ”นๅ–„ใ—ใฆใใฆใ‚‹ใ‚ˆใญ ใฃใฆใจใ“ใ‚ใชใ‚“ใ‚ˆใ€‚ ๆ˜”ใฎ public static void main(String[] args) ใฎๅฐ่ฑกใฎใพใพใ ใจ ใ€Œๅ‚ๅ…ฅ้šœๅฃใŒ้ซ˜ใ„่จ€่ชžใ€ใจใ„ใ†่ฉ•ไพกใฎใพใพๆญขใพใ‚ŠใŒใกใ ใ‘ใฉใ€ ๅ…ฅๅฃใฏใ ใ„ใถ่ปฝใใชใฃใฆใ‚‹ใ€‚ ใใฎ่ฆณ็‚นใงใ„ใ†ใจใ€REPL็š„ใชๅ‹•ไฝœใฏjshell ใฎๅฏพ่ฉฑๅฎŸ่กŒ็’ฐๅขƒใจใ‹ใ‚‚ใ‹ใชใ‚Šใใ‚Œใซ่ฟ‘ใ„ๆ€ๆƒณใ ใ—ใ€ ใ‚ณใƒŸใƒฅใƒ‹ใƒ†ใ‚ฃใจใ—ใฆๅˆๅญฆ่€…ๅ‘ใ‘ใฎๆ”นๅ–„ใฏใšใฃใจ็ถšใ„ใฆใ‚‹ใ‚“ใ‚ˆใญใ€‚ๆ˜”ใ‹ใ‚‰ใ€Œๅˆๅญฆ่€…ใซๅŽณใ—ใ„ใ€ใฃใฆใฎใฏใšใฃใจใ‚ณใƒณใƒ—ใƒฌใƒƒใ‚ฏใ‚นใ ใฃใŸใฟใŸใ„ใ ใ‚ˆใญ๏ผŸ ใใ†ใ„ใ†่ฉฑใŒใ—ใŸใ‹ใฃใŸใ ใ‘ใ‚ˆ๏ผˆ็ฌ‘๏ผ‰ ใงใ‚‚ใŸใใ€ใ€ŒไปŠใฏใใฎ่ฉฑใ˜ใ‚ƒใชใ„ใ€ใฃใฆใ“ใจใ ใ‹ใ‚‰ใ€ใ“ใ“ใพใงใงใ€‚ ใ‚ใ‚ŠใŒใจใ†ใ”ใ–ใ„ใพใ™ใ€‚ๅคฑ็คผใ—ใพใ™ใ€‚
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ๆ˜”ไฝœใฃใŸJShellไธŠใงไปปๆ„ใฎใƒฉใ‚คใƒ–ใƒฉใƒชใ‚’ๅ‹•็š„ใซ่ชญใฟ่พผใ‚“ใง่ฉฆใ™ใ“ใจใฎใงใใ‚‹ใƒ„ใƒผใƒซใ‚’ใƒชใƒ‹ใƒฅใƒผใ‚ขใƒซใ—ใฆใ€ŽJetShellใ€ใจใ—ใฆใƒชใƒชใƒผใ‚นใ—ใพใ—ใŸใ€‚ใกใ‚‡ใƒผไพฟๅˆฉใชใฎใงใ€ใœใฒไฝฟใฃใฆใฟใฆใใ ใ•ใ„๏ผ github.com/kawasima/jetshell
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Mar 9
What is JShell? @JosePaumard explains.
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JShellใจ็น‹ใŒใฃใฆใ„ใ‚‹ใฎใงใ€Javaใฎใ‚ชใƒ–ใ‚ธใ‚งใ‚ฏใƒˆใ‚‚ๆ“ไฝœใงใใ‚‹ใ—ใ€Enkanใฎใ‚ณใƒžใƒณใƒ‰ใ‚’็ตŒ็”ฑใ—ใฆใ€SQLใ‚‚ๅฎŸ่กŒใงใใฆใ—ใพใ†๏ผ
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Javaใฎ่จ€่ชžไป•ๆง˜ใฏๆ‹กๅผตใ•ใ‚Œใฆใใฆใ„ใฆใ€ไป–ใฎnewbieใƒ—ใƒญใ‚ฐใƒฉใƒŸใƒณใ‚ฐ่จ€่ชžใฎๆฉŸ่ƒฝใ‚‚ใ‚ใ‚‹ใ€‚ใƒฉใƒ ใƒ€ๅผใฎไป–ใ€Virtual Thread๏ผˆgoroutine็š„ใชใ‚‚ใฎ๏ผ‰ใ€Optional๏ผˆnullๅฎ‰ๅ…จ๏ผ‰ใ€AutoCloseable๏ผˆRustใฎDropใƒˆใƒฌใ‚คใƒˆใ€goใฎdefer็š„ใ€Rใฎon.exitใชใƒขใƒŽ๏ผ‰ใ€‚ๅž‹ๆŽจ่ซ–ใจๅฏพ่ฉฑใƒขใƒผใƒ‰๏ผˆJShell๏ผ‰ใฏๅญ˜ๅœจๆ„็พฉใŒ่ฌŽใ€‚
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Master Java The Java Tree ๐Ÿ‘‡ | |โ”€โ”€ Introduction to Java | โ”œโ”€โ”€ History of Java | โ”œโ”€โ”€ Features of Java | | โ”œโ”€โ”€ Simple | | โ”œโ”€โ”€ Object-Oriented | | โ”œโ”€โ”€ Platform Independent | | โ”œโ”€โ”€ Secure | | โ”œโ”€โ”€ Robust | | โ”œโ”€โ”€ Multithreaded | | โ”œโ”€โ”€ Distributed | | โ”œโ”€โ”€ Portable | | โ”œโ”€โ”€ High Performance | | โ””โ”€โ”€ Dynamic | โ”œโ”€โ”€ Java Editions | | โ”œโ”€โ”€ Java SE | | โ”œโ”€โ”€ Java EE (Jakarta EE) | | โ””โ”€โ”€ Java ME | โ””โ”€โ”€ JVM Architecture Overview | |โ”€โ”€ Java Architecture | โ”œโ”€โ”€ JDK | โ”œโ”€โ”€ JRE | โ”œโ”€โ”€ JVM | โ”œโ”€โ”€ Bytecode | โ”œโ”€โ”€ ClassLoader Subsystem | | โ”œโ”€โ”€ Bootstrap ClassLoader | | โ”œโ”€โ”€ Extension ClassLoader | | โ””โ”€โ”€ Application ClassLoader | โ”œโ”€โ”€ Runtime Data Areas | | โ”œโ”€โ”€ Method Area | | โ”œโ”€โ”€ Heap | | โ”œโ”€โ”€ Stack | | โ”œโ”€โ”€ PC Register | | โ””โ”€โ”€ Native Method Stack | โ”œโ”€โ”€ Execution Engine | | โ”œโ”€โ”€ Interpreter | | โ”œโ”€โ”€ JIT Compiler | | โ””โ”€โ”€ Garbage Collector | โ””โ”€โ”€ JNI (Java Native Interface) | |โ”€โ”€ Java Environment Setup | โ”œโ”€โ”€ Installing JDK | โ”œโ”€โ”€ Environment Variables (JAVA_HOME, PATH) | โ”œโ”€โ”€ Compiling (javac) | โ”œโ”€โ”€ Running (java) | โ””โ”€โ”€ JShell | |โ”€โ”€ Basic Syntax | โ”œโ”€โ”€ Structure of Java Program | โ”œโ”€โ”€ main() Method | โ”œโ”€โ”€ Identifiers | โ”œโ”€โ”€ Keywords | โ”œโ”€โ”€ Comments | โ””โ”€โ”€ Naming Conventions | |โ”€โ”€ Data Types | โ”œโ”€โ”€ Primitive Data Types | | โ”œโ”€โ”€ byte | | โ”œโ”€โ”€ short | | โ”œโ”€โ”€ int | | โ”œโ”€โ”€ long | | โ”œโ”€โ”€ float | | โ”œโ”€โ”€ double | | โ”œโ”€โ”€ char | | โ””โ”€โ”€ boolean | โ”œโ”€โ”€ Non-Primitive Data Types | | โ”œโ”€โ”€ String | | โ”œโ”€โ”€ Arrays | | โ”œโ”€โ”€ Classes | | โ”œโ”€โ”€ Interfaces | | โ””โ”€โ”€ Enums | โ”œโ”€โ”€ Wrapper Classes | โ”œโ”€โ”€ Type Casting | | โ”œโ”€โ”€ Widening | | โ””โ”€โ”€ Narrowing | โ””โ”€โ”€ Autoboxing & Unboxing | |โ”€โ”€ Variables | โ”œโ”€โ”€ Local Variables | โ”œโ”€โ”€ Instance Variables | โ”œโ”€โ”€ Static Variables | โ””โ”€โ”€ Final Variables | |โ”€โ”€ Operators | โ”œโ”€โ”€ Arithmetic | โ”œโ”€โ”€ Assignment | โ”œโ”€โ”€ Relational | โ”œโ”€โ”€ Logical | โ”œโ”€โ”€ Bitwise | โ”œโ”€โ”€ Shift | โ”œโ”€โ”€ Unary | โ”œโ”€โ”€ Ternary | โ””โ”€โ”€ instanceof | |โ”€โ”€ Control Statements | โ”œโ”€โ”€ Decision Making | | โ”œโ”€โ”€ if | | โ”œโ”€โ”€ if-else | | โ”œโ”€โ”€ else-if ladder | | โ””โ”€โ”€ switch | โ”œโ”€โ”€ Looping | | โ”œโ”€โ”€ for | | โ”œโ”€โ”€ enhanced for | | โ”œโ”€โ”€ while | | โ””โ”€โ”€ do-while | โ””โ”€โ”€ Jump Statements | โ”œโ”€โ”€ break | โ”œโ”€โ”€ continue | โ””โ”€โ”€ return | |โ”€โ”€ Object-Oriented Programming (OOP) | โ”œโ”€โ”€ Class | โ”œโ”€โ”€ Object | โ”œโ”€โ”€ Constructor | | โ”œโ”€โ”€ Default Constructor | | โ”œโ”€โ”€ Parameterized Constructor | | โ””โ”€โ”€ Constructor Overloading | โ”œโ”€โ”€ Method | โ”œโ”€โ”€ this keyword | โ”œโ”€โ”€ static keyword | โ”œโ”€โ”€ final keyword | โ”œโ”€โ”€ OOP Principles | | โ”œโ”€โ”€ Encapsulation | | โ”œโ”€โ”€ Abstraction | | โ”œโ”€โ”€ Inheritance | | | โ”œโ”€โ”€ Single | | | โ”œโ”€โ”€ Multilevel | | | โ””โ”€โ”€ Hierarchical | | โ””โ”€โ”€ Polymorphism | | โ”œโ”€โ”€ Compile-time (Method Overloading) | | โ””โ”€โ”€ Runtime (Method Overriding) | โ”œโ”€โ”€ super keyword | โ”œโ”€โ”€ instanceof | โ””โ”€โ”€ Object Class Methods
Master JavaScript: The JavaScript Tree ๐Ÿ‘‡ | |โ”€โ”€ Variables | โ”œโ”€โ”€ var | โ”œโ”€โ”€ let | โ””โ”€โ”€ const | |โ”€โ”€ Data Types | โ”œโ”€โ”€ String | โ”œโ”€โ”€ Number | โ”œโ”€โ”€ Boolean | โ”œโ”€โ”€ Object | โ”œโ”€โ”€ Array | โ”œโ”€โ”€ Null | โ””โ”€โ”€ Undefined | |โ”€โ”€ Operators | โ”œโ”€โ”€ Arithmetic | โ”œโ”€โ”€ Assignment | โ”œโ”€โ”€ Comparison | โ”œโ”€โ”€ Logical | โ”œโ”€โ”€ Unary | โ””โ”€โ”€ Ternary (Conditional) | |โ”€โ”€ Control Flow | โ”œโ”€โ”€ if statement | โ”œโ”€โ”€ else statement | โ”œโ”€โ”€ else if statement | โ”œโ”€โ”€ switch statement | โ”œโ”€โ”€ for loop | โ”œโ”€โ”€ while loop | โ””โ”€โ”€ do-while loop | |โ”€โ”€ Functions | โ”œโ”€โ”€ Function declaration | โ”œโ”€โ”€ Function expression | โ”œโ”€โ”€ Arrow function | โ””โ”€โ”€ IIFE (Immediately Invoked Function Expression) | |โ”€โ”€ Scope | โ”œโ”€โ”€ Global scope | โ”œโ”€โ”€ Local scope | โ”œโ”€โ”€ Block scope | โ””โ”€โ”€ Lexical scope | |โ”€โ”€ Arrays | โ”œโ”€โ”€ Array methods | | โ”œโ”€โ”€ push() | | โ”œโ”€โ”€ pop() | | โ”œโ”€โ”€ shift() | | โ”œโ”€โ”€ unshift() | | โ”œโ”€โ”€ splice() | | โ”œโ”€โ”€ slice() | | โ””โ”€โ”€ concat() | โ””โ”€โ”€ Array iteration | โ”œโ”€โ”€ forEach() | โ”œโ”€โ”€ map() | โ”œโ”€โ”€ filter() | โ””โ”€โ”€ reduce() | |โ”€โ”€ Objects | โ”œโ”€โ”€ Object properties | | โ”œโ”€โ”€ Dot notation | | โ””โ”€โ”€ Bracket notation | โ”œโ”€โ”€ Object methods | | โ”œโ”€โ”€ Object.keys() | | โ”œโ”€โ”€ Object.values() | | โ””โ”€โ”€ Object.entries() | โ””โ”€โ”€ Object destructuring | |โ”€โ”€ Promises | โ”œโ”€โ”€ Promise states | | โ”œโ”€โ”€ Pending | | โ”œโ”€โ”€ Fulfilled | | โ””โ”€โ”€ Rejected | โ”œโ”€โ”€ Promise methods | | โ”œโ”€โ”€ then() | | โ”œโ”€โ”€ catch() | | โ””โ”€โ”€ finally() | โ””โ”€โ”€ Promise.all() | |โ”€โ”€ Asynchronous JavaScript | โ”œโ”€โ”€ Callbacks | โ”œโ”€โ”€ Promises | โ””โ”€โ”€ Async/Await | |โ”€โ”€ Error Handling | โ”œโ”€โ”€ try...catch statement | โ””โ”€โ”€ throw statement | |โ”€โ”€ JSON (JavaScript Object Notation) | |โ”€โ”€ Modules | โ”œโ”€โ”€ import | โ””โ”€โ”€ export | |โ”€โ”€ DOM Manipulation | โ”œโ”€โ”€ Selecting elements | โ”œโ”€โ”€ Modifying elements | โ””โ”€โ”€ Creating elements | |โ”€โ”€ Events | โ”œโ”€โ”€ Event listeners | โ”œโ”€โ”€ Event propagation | โ””โ”€โ”€ Event delegation | |โ”€โ”€ AJAX (Asynchronous JavaScript and XML) | |โ”€โ”€ Fetch API | |โ”€โ”€ ES6 Features | โ”œโ”€โ”€ Template literals | โ”œโ”€โ”€ Destructuring assignment | โ”œโ”€โ”€ Spread/rest operator | โ”œโ”€โ”€ Arrow functions | โ”œโ”€โ”€ Classes | โ”œโ”€โ”€ let and const | โ”œโ”€โ”€ Default parameters | โ”œโ”€โ”€ Modules | โ””โ”€โ”€ Promises | |โ”€โ”€ Web APIs | โ”œโ”€โ”€ Local Storage | โ”œโ”€โ”€ Session Storage | โ””โ”€โ”€ Web Storage API | |โ”€โ”€ Libraries and Frameworks | โ”œโ”€โ”€ React | โ”œโ”€โ”€ Angular | โ””โ”€โ”€ Vue.js | |โ”€โ”€ Debugging | โ”œโ”€โ”€ Console.log() | โ”œโ”€โ”€ Breakpoints | โ””โ”€โ”€ DevTools | |โ”€โ”€ Others | โ”œโ”€โ”€ Closures | โ”œโ”€โ”€ Callbacks | โ”œโ”€โ”€ Prototypes | โ”œโ”€โ”€ this keyword | โ”œโ”€โ”€ Hoisting | โ””โ”€โ”€ Strict mode | |____________ END __________________
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Another 24 and nine for JShell to move LMU to 2-0 on the week! Brown scores 16 and Vide adds 13. The Lions head on the road for three straight away games.
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AND-1! RB to JSHELL!
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JSHELL is Cooking!
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JShell leaving the Bay with a career-high and a WIN! @JalenShelley - 27 points @rodneybrown04 - 23 points @AmeyMyron - 12 points @aaron_mc2023 - 10 points 48% percent shooting as a team and hold USF to 32% Back home on Saturday night against San Diego!
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AND-1! Doing it all, JSHELL!
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JSHELL!!! 8-0 start for the Lions!
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