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"jar -C" - Changing Input Directory
This section provides a tutorial example on how to 'jar --create -C ...' to change input directory when creating JAR files. 2017-02-04, 1364🔥, 3💬

💬 2017-02-04 Herong: Chris, Thanks for sharing the information.

💬 2017-02-03 Chris: For unix, on the last command, ".;" changes to ".:".

Archived: Download and Install JDK 12 on Windows
This section describes how to download and install JDK 12 on a Windows system. 2022-10-01, 1300🔥, 0💬

javaw - Launching Java Programs without Console
This section provides a tutorial example on how to use 'javaw' tool to launch a Java program without the output console window. 2016-04-27, 1294🔥, 1💬

SslContextTest.java - javax.net.ssl.SSLContext Class Test
This section provides a tutorial example on how to write a simple program to test the java.net.ssl.SSLContext class. 2015-10-28, 1257🔥, 1💬

Digital Signature Algorithm and Sample Program
This chapter provides tutorial notes and example codes on digital signature. Topics include algorithm and steps of signing a document; algorithm and steps of verifying a signature; digital signature generation and verification sample programs; sample signatures of SHA1withRSA and SHA1withDSA algorit... 2021-06-09, 1251🔥, 4💬

💬 2016-12-15 vijay: thanks

jmod - The JMOD File Tool
This chapter provides tutorial notes on 'jmod', the JMOD File Tool. Topics include introduction of JMOD file format; 'jmod' command options; creating JMOD file with 'jmod'; viewing and extracting JMOD file with 'jmod'; using JMOD file in 'javac' and 'jlink' commands. 2022-10-01, 1233🔥, 0💬

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, 1222🔥, 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 ...

Bits, Bytes, Bitwise and Shift Operations
This chapter provides tutorial notes and tutorial examples on bits, bytes and bitwise operations. Topics include bits and bytes as storage units; 'byte' data type and (byte) casting; bitwise operations; shift operations. 2016-02-20, 1215🔥, 1💬

💬 2016-02-20 oopo: very good

Downloading and Installing JDK on Windows
This section describes how to download and install JDK on a Windows system. 2022-10-01, 1127🔥, 0💬

"javac -g" - Controlling Debugging Information
This section describes 'javac -g' options to generate debugging information into the class output files. Debugging information in class file can be used by any debugging tools. 2022-10-01, 1104🔥, 0💬

java.time.LocalDateTime - Local Date and time without Timezone
This section describes the java.time.LocalDateTime class that represents a local time in an unspecified timezone expressed in 2 components, ISO 8601 date and time of day. 2022-10-01, 1063🔥, 0💬

'jps' - JVM Process Status Tool
This section describes the JVM process status tool, 'jps' for listing JVM processes on local and remote machines. 2017-08-03, 1043🔥, 1💬

"jshell&gt; /save" - Saving Code Snippet
This section provides a tutorial example on how to enter a long code snippet in 'jshell', save it to a file, and open it to run it later. 2022-08-11, 1041🔥, 2💬

💬 2022-08-11 Saravanan S: for (int index = 0; index < 10; index++) { System.out.println(index); }

💬 2021-09-18 Adam Levine: Damn this was a helpful tutorial

"javac -sourcepath" - Specifying Source Path
This section provides a tutorial example on how to use the '-sourcepath' option to specify the class path for the 'javac' tool to load any source files required during the compilation. 2022-10-01, 1019🔥, 0💬

"javac -verbose" - Printing Compilation Details
This section provides a tutorial example on how to use the '-verbose' option to print compilation details. 2022-10-01, 1012🔥, 0💬

Type Casting Compile and Runtime Error
This section provides a tutorial example on compilation time casting error and runtime casting exception. 2016-02-15, 977🔥, 1💬

java.time.Duration - Time Durations
This section describes the java.time.Duration class that represents a duration of time measured in seconds with fractions in nanosecond resolution. 2018-01-03, 933🔥, 1💬

💬 2018-01-03 Nikhil Narayanan: Helpful man....but I already knew the stuff....the presentation is simple..nice! JAVA is great, right!

"keystore" File Type: PKCS12 and JKS
This section provides a tutorial example on how to use the 'keytool -genkeypair' command to generate a new pair of keys and self-signed certificate in a new 'keystore' file. 2022-10-01, 923🔥, 0💬

jvisualvm (Java VisualVM) - JVM Visual Tool
This chapter provides tutorial notes on the JVM visual tool, Java VisualVM. Topics include launching Java VisualVM, connecting to local JVM processes; monitoring CPU and heap usage; monitoring thread statuses; taking thread dumps and heap dumps; viewing heap dump and object contents; connecting to r... 2024-03-13, 911🔥, 2💬

💬 2021-01-12 vinod: thanks

💬 2017-10-25 haibing: thanks

💬 2017-06-16 marth: powerful tool

SSL Client Authentication
This chapter provides tutorial notes and example codes on SSL client authentication. Topics include introduction to SSL client authentication; creating server and client certificates; writing server and client test programs; running SSL client authentication tests. 2016-03-30, 904🔥, 2💬

💬 2016-05-11 Herong: Roman, good point. We need to compile the Java code into a class file first. Thanks.

💬 2016-05-07 Roman: you have small mistake there, it should be: With SslReverseEchoerRevised.class and... instead of: With SslReverseEchoerRevised.j...

"jpackage -t dmg" - Package for macOS
This section provides a tutorial example on how to use 'jpackage -t dmg' command to generate a binary distribution package from Java application JAR file in *.dmg format for macOS computers. 2022-10-01, 882🔥, 0💬

Archived: Downloading and Installing JDK 1.4.1 on Windows
This section provides a tutorial example on how to download and install JDK (or J2SE) 1.4.1 on a Windows 2000 system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2022-10-01, 878🔥, 0💬

EncodingConverter.java - Encoding Conversion Sample Program
This section provides a tutorial example on how to write a sample program, EncodingConverter.java, to convert text files from one character set encoding to another. 2022-05-10, 830🔥, 1💬

💬 2022-05-10 chaeun: 12

jhat - Java Heap Analysis Tool
This section describes the Java heap analysis tool 'jhat' command and its options. 'jhat' can be used browse a Java heap dump file through a Web interface. 2022-10-01, 815🔥, 0💬

<< < 1 2 3 4 5 6 7 8 9 … > >>   ∑:486  Sort:Date

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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO