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  2. Java concurrency - Wikipedia

    en.wikipedia.org/wiki/Java_concurrency

    When applied to a field, the Java volatile keyword guarantees that: (In all versions of Java) There is a global ordering on the reads and writes to a volatile variable. This implies that every thread accessing a volatile field will read its current value before continuing, instead of (potentially) using a cached value. (However, there is no ...

  3. Java code coverage tools - Wikipedia

    en.wikipedia.org/wiki/Java_Code_Coverage_Tools

    Onto a server (a.k.a. "network grabber") JCov works by instrumenting Java bytecode using two different approaches: Static instrumentation which is done upfront, changing the tested code; Dynamic instrumentation which is done on the fly by means of Java agent; JCov has a few more distinctive features which include, but are not limited to: Field ...

  4. Java Virtual Machine Tools Interface - Wikipedia

    en.wikipedia.org/wiki/Java_Virtual_Machine_Tools...

    The JVMTI replaces the JVMPI (Java Virtual Machine Profiling Interface) and the JVMDI (Java Virtual Machine Debug Interface). The JVMPI and the JVMDI are declared as being deprecated in J2SE 5.0 and were removed in Java SE 6. JVMTI is the lowest-level of the Java Platform Debugger Architecture.

  5. Java Class Library - Wikipedia

    en.wikipedia.org/wiki/Java_Class_Library

    Applets: java.applet allows applications to be downloaded over a network and run within a guarded sandbox; Java Beans: java.beans provides ways to manipulate reusable components. Introspection and reflection: java.lang.Class represents a class, but other classes such as Method and Constructor are available in java.lang.reflect.

  6. netstat - Wikipedia

    en.wikipedia.org/wiki/Netstat

    Also show PID and to which program each socket belongs, e adds extra info like the user. Run as root to see all PIDs. netstat -s: Shows network statistics. netstat -r: Shows kernel routing information. This is the same output as route -e. netstat -i: Displays a table of all network interfaces. Add -e to get output similar to ifconfig. netstat -ct

  7. Wsadmin - Wikipedia

    en.wikipedia.org/wiki/Wsadmin

    The wsadmin supports Jacl [1] (an alternate implementation of TCL written in Java) and Jython (Java, Python) scripting languages. The choice of Jacl or Jython may depend on the programmer's comfort level. The Java/Java EE or C programmer may be more comfortable with Jython whereas Tcl experts may prefer Jacl. Though the script syntax is ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. HotSpot (virtual machine) - Wikipedia

    en.wikipedia.org/wiki/HotSpot_(virtual_machine)

    Tiered compiling, an option introduced in Java 7, uses both the client and server compilers in tandem to provide faster startup time than the server compiler, but similar or better peak performance. [9] Starting in Java 8, tiered compilation is the default for the server VM. [10] HotSpot is written in C++ and Assembly.