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native2ascii - Native-to-ASCII Encoding Converter
This chapter provides tutorial notes on the native-to-ASCII encoding converter 'native2ascii'. Topics include 'native2ascii' command options, default encoding CP1252 used by 'javac', converting UTF-8 characters into \uXXXX Unicode code sequences, converting \uXXXX sequences back to native encodings. 2023-11-24, 6122🔥, 65💬

💬 2023-11-24 xddd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-10-03 tag: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-06-09 hupo: (É+ó)+(ó+ó)+'\'

💬 2022-05-29 aaa: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-03-13 Q: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

(More comments ...)

serialver - serialVersionUID Generator
This chapter provides provides a tutorial example on how to use 'serialver' command to generate a unique 'serialVersionUID' value for any given serializable Java class. 2023-11-20, 2067🔥, 7💬

💬 2023-02-22 Youngjo Kim: HEllo My name is BYUIOUDHFODIUHOFIHODIHF

💬 2022-06-27 Ravi Shrestha: Generating serial version id

Archived: Downloading and Installing J2SE 1.5.0 on Windows
This section provides tutorial example on how to download and install J2SE (JDK - Java Development Kit) 1.5.0. 2023-11-13, 1516🔥, 1💬

💬 2023-11-13 Hi: Hi

jar - JAR File Tool Command and Options
This section describes the 'jar' command to manage JAR files. 'jar' command syntax and options are provided. 2023-08-08, 1048🔥, 2💬

💬 2023-08-08 Herong: Lina, can you run "ls -l $SNPEFF/snpEff.jar" to see if the JAR file is accessible?

💬 2023-08-07 Lina: I install the snpEff package using conda install in a conda environment and I am unable to use it. It says unable to access the ...

Compiling Hello.java - My First Java Program
This section provides a tutorial example on how to compile a Java program using the 'javac' tool without any options. 2023-07-26, 377🔥, 1💬

native2ascii - Encoding Converter Command and Options
This section describes the native-to-ASCII encoding converter 'native2ascii' and its options. Non-ASCII characters in a Java source file must be converted into \uXXXX Unicode sequences before giving it to the Java compiler. 2023-07-25, 4108🔥, 29💬

💬 2023-07-25 sasa: -~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[];Ì= (ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+([ ].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ó+ ó]+(!''+'...

💬 2023-03-29 asafsas: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-11-30 dhidhdi: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-08-06 đè: ó=-~É,Ë=É<<É,þ=Ë+~[]

💬 2022-03-03 Your Name: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

(More comments ...)

Creating Module JAR File
This section provides a tutorial example on how to use 'jar --create' command to create a module JAR file to store all class files of a Java module. 2023-04-24, 1351🔥, 2💬

💬 2023-04-24 Jeff: Append my comments. It actually worked. Didn't realize C in -C is a capital letter and there's a dot in the end.

💬 2023-04-24 Jeff: when I tried --describe-module option, command prompt said no module descriptor found. Derived automatic module. Also, the --lis...

JIMAGE - Java Image File Format
This section describes the Java image, JIMAGE, a special file format used to store class and resource files of multiple Java modules to support custom JRE. 2023-03-18, 1478🔥, 2💬

💬 2023-03-18 -: nice

"jpackage -t pkg" - Package for macOS
This section provides a tutorial example on how to use 'jpackage -t pkg' command to generate a binary distribution package from Java application JAR file in *.pkg format for macOS computers. 2023-03-08, 310🔥, 1💬

💬 2023-03-08 Andy: For me, this produced a pkg that installs a app image on my MAC, but the installed program cannot be executed, because it says t...

Download and Install JDK on Windows
This section describes how to download and install JDK 12 on a Windows system. 2023-02-27, 68787🔥, 51💬

💬 2023-02-27 frank: grazie

💬 2019-06-12 sothea: Java is good

💬 2019-05-13 Myo Nyein: don't know

💬 2019-05-13 Myo Nyein: good

💬 2018-12-23 Thin Ga Ha: Very good

(More comments ...)

Archived: Downloading and Installing JDK 1.3.1 on Windows
This section provides a tutorial example on how to download and install JDK (or J2SE) 1.3.1 on a Windows 2000 system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2023-02-07, 4868🔥, 5💬

💬 2023-02-07 Hakizimana issa: hello how is 0

💬 2021-08-04 Bob: can i play hypixel on this

💬 2017-08-07 anurag tiwari: i 'm not satisfied with your features

What Is Key Encoding?
This section describes private and public key encoding standards: PKCS#8 is used for encoding private keys and X.509 is used for encoding public keys. 2022-12-07, 3606🔥, 8💬

💬 2021-04-15 omg: nice

💬 2019-07-24 Vivek: yo sup

"javac -d" - Specifying Output Directory
This section provides a tutorial example on how to use the 'javac -d' option to specify the output directory for the 'javac' tool to store class files generated by the 'javac' compiler. 2022-11-26, 7871🔥, 4💬

💬 2022-11-26 Ivan Nascimento: Thank you so much, just what I was looking for.

💬 2022-03-22 Hedi: Thanks

💬 2022-01-14 Robert: Thanks

"native2ascii -encoding" - UTF-8 to uXXXX Conversion
This section provides a tutorial example on how to convert UTF-8 character strings to \uXXXX Unicode code sequences with the 'native2ascii -encoding' command. 2022-10-01, 1925🔥, 4💬

💬 2022-10-01 DEMO: DEMO

💬 2020-05-08 دد: سلام

💬 2019-03-25 gg: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-02-18 What: &lt;script>alert("hii")&lt;/ script>

"jar --update" - Updating Class Files in JAR
This section provides a tutorial example on how to 'jar --update' to update class files in JAR files. 2022-10-01, 2898🔥, 0💬

"jar --list" - Listing Files in JAR File
This section provides a tutorial example on how to list files stored in a JAR file with the 'jar --list' command. 2022-10-01, 2284🔥, 0💬

Supertype and Subtype
This section describes the supertype-subtype relationships: a supertype corresponds a class or interface that is extended or implemented directly or indirectly by the class or interface of the subtype. 2022-10-01, 1780🔥, 0💬

JVM "-ea" and "-da" Options
This section describes '-ea' and '-da' JVM option, which are used to enable or disable assertion on application classes. 2022-10-01, 1751🔥, 0💬

"java -classpath" - Specifying Class Path
This section provides a tutorial example on how to use the '-classpath' option to specify the class path for the 'java' tool to load any classes required during the execution. 2022-10-01, 1606🔥, 0💬

"javac --module" - Compiling Entire Module
This section provides a tutorial example on how to use 'javac --module' command to compile all Java source code in an entire module. 2022-10-01, 1541🔥, 0💬

Initializing SSLContext with PKCS12 File
This section provides a tutorial example on how to write a simple program to test the java.net.ssl.SSLContext class with a PKCS12 keystore file. 2022-10-01, 1480🔥, 0💬

"jar --main-class" - Making JAR File Executable
This section provides a tutorial example on how to use 'jar --main-class ...' command option to specify the application main class to make a JAR file executable. 2022-10-01, 1419🔥, 0💬

\uxxxx - Entering Unicode Data in Java Programs
This section provides a tutorial example on how to enter Unicode characters using \uxxxx escape sequences in a Java program, and same them to any giving character set encoding. 2022-10-01, 1381🔥, 0💬

"jar --extract" - Extracting Files from JAR File
This section provides a tutorial example on how to extract files out of a JAR file with the 'jar --extract' command. 2022-10-01, 1244🔥, 0💬

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Android ASP Astrology Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES 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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO