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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, ∼1804🔥, 1💬

"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, ∼1800🔥, 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, ∼1791🔥, 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 ...

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, ∼1762🔥, 1💬

Managing Bit Strings in Byte Arrays
This chapter provides tutorial notes and tutorial examples on managing bit strings in byte arrays. Topics include setting a bit value into a byte array; getting a bit value back from a byte array; rotating all bits in a byte array. 2016-02-27, ∼1762🔥, 4💬

💬 2015-10-10 Brian: Excellent tutorials. Thanks!

💬 2006-11-19 Herong: Hi Naren, I added a section, Managing Bit Strings in Byte Arrays , to explain the getBit() and setBit() used in the DES implemen...

💬 2006-11-10 Naren: can u help me how the getbit() and setbit() implementation is done ...y ur are taken the hexadecimal no for the processing This ...

💬 2006-11-10 A visitor: hi, Your program for des is superb ......but can u help me how the getbit() and setbit() implementation is done ...y ur are take...

"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, ∼1703🔥, 3💬

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

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

Downloading and Installing JDK on Windows
This section describes how to download and install JDK on a Windows system. 2022-10-01, ∼1702🔥, 0💬

What Is an Unnamed Package?
This section describes what is an unnamed package - a package of compilation units with no package name. The main question is how to refer to a compilation unit in an unnamed package. 2020-10-15, ∼1633🔥, 2💬

💬 2020-10-12 Herong: Jason, how do we know the unnamed package is yours?

💬 2020-10-09 Jason Patrick: Unnamed package? 67 days in transit? How can I get my package from Canada Post?

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, ∼1598🔥, 0💬

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, ∼1591🔥, 0💬

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, ∼1582🔥, 4💬

💬 2016-12-15 vijay: thanks

"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, ∼1567🔥, 0💬

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, ∼1498🔥, 1💬

💬 2016-02-20 oopo: very good

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, ∼1495🔥, 0💬

"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, ∼1468🔥, 0💬

Creating, Compiling and Executing Java Programs
This section describes the process of Java program creation, compilation and execution. JDK 'javac' and 'java' commands are also described. 2022-10-01, ∼1451🔥, 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, ∼1442🔥, 0💬

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, ∼1365🔥, 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, ∼1352🔥, 1💬

"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, ∼1334🔥, 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, ∼1318🔥, 2💬

💬 2021-01-12 vinod: thanks

💬 2017-10-25 haibing: thanks

💬 2017-06-16 marth: powerful tool

"jshell> /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, ∼1311🔥, 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

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, ∼1292🔥, 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...

'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, ∼1291🔥, 1💬

<< < 1 2 3 4 5 6 7 8 9 … > >>   ∑:488  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 REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO