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java Programming Glossary: systemsHow to read a single char from the console in Java (as the user types it)? http://stackoverflow.com/questions/1066318/how-to-read-a-single-char-from-the-console-in-java-as-the-user-types-it cooked mode line editing with enter key required. On UNIX systems the 'stty' command can change modes. Now with respect to Java..... There is no portable way to do this across operating systems. There's also an interesting discussion thread here . One of..
http://stackoverflow.com/questions/13022754/java-bouncing-ball Ball has it's own Thread . This is going to eat into your systems resources real quick as you scale the number of balls up.....
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans why people were so against using regular objects in their systems and concluded that it was because simple objects lacked a fancy.. . As designs using POJOs have become more commonly used systems have arisen that give POJOs some of the functionality used in.. used to transfer data between software application subsystems. DTOs are often used in conjunction with data access objects..
How to load a jar file at runtime http://stackoverflow.com/questions/194698/how-to-load-a-jar-file-at-runtime or whatever you are used to. Of course debugging systems can do fancier things but are more hacky and less reliable...
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android this question Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand.. now the fun begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So.. used for filesystem caches and other such things. Typical systems will need to have 20MB or so for this to avoid getting into..
http://stackoverflow.com/questions/299068/how-slow-are-java-exceptions than the slow one and not easily possible on all systems. You want to stay portable Then don't rely on exceptions being..
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless completely useless As documented here on x86 systems. Java's System.nanoTime returns the time value using a cpu specific.. TSC not being synchronized on different processors in SMP systems and due the fact its frequency can vary and hence its relationship..
How to convert Milliseconds to “X mins, x seconds” in Java? http://stackoverflow.com/questions/625433/how-to-convert-milliseconds-to-x-mins-x-seconds-in-java millis For Java versions below 1.5 or for systems that do not fully support the TimeUnit class such as Android..
Converting HTML files to PDF [closed] http://stackoverflow.com/questions/633780/converting-html-files-to-pdf project is preferable. It only needs to work on windows systems though. One way to do it that is feasable but does not produce..
How to best position Swing GUIs http://stackoverflow.com/questions/7143287/how-to-best-position-swing-guis programmatically setting its location. Most windowing systems cascade windows if their locations are not explicitly set. The..
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing? http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi those methods I can only think adding portability between systems with different screen resolution . I don't think any LayoutManager.. those methods I can only think adding portability between systems with different screen resolution . Some incomplete and unfortunately..
How to handle events from keyboard and mouse in full screen exclusive mode in java? http://stackoverflow.com/questions/7456227/how-to-handle-events-from-keyboard-and-mouse-in-full-screen-exclusive-mode-in-ja device env.getDefaultScreenDevice for one display systems setIgnoreRepaint true GraphicsConfiguration gc device.getDefaultConfiguration..
What's the best way to distribute Java applications? http://stackoverflow.com/questions/80105/whats-the-best-way-to-distribute-java-applications computer Are there any good Java installation packaging systems out there java installer jar software distribution share..
How to download and save a file from Internet using Java? http://stackoverflow.com/questions/921262/how-to-download-and-save-a-file-from-internet-using-java source channel and writes to this channel. Many operating systems can transfer bytes directly from the source channel into the..
How can I set the process-name for a Java-program? http://stackoverflow.com/questions/1057247/how-can-i-set-the-process-name-for-a-java-program aware that this may work different on different Operating Systems. A simple way would be if the java interpreter would support..
Java, Object.hashCode() result constant across all JVMs/Systems? http://stackoverflow.com/questions/1516843/java-object-hashcode-result-constant-across-all-jvms-systems Object.hashCode result constant across all JVMs Systems Is the output of Object.hashCode required to be the same on..
Eclipse - no Java (JRE) / (JDK) … no virtual machine http://stackoverflow.com/questions/2030434/eclipse-no-java-jre-jdk-no-virtual-machine
fastest (low latency) method for Inter Process Communication between Java and C/C++ http://stackoverflow.com/questions/2635272/fastest-low-latency-method-for-inter-process-communication-between-java-and-c Some shared memory measurement September 14 2009 Solace Systems announced today that its Unified Messaging Platform API can..
Calling System.gc( ) explicitly? http://stackoverflow.com/questions/4784987/calling-system-gc-explicitly to just let the system take care of things on its own. Systems are evolving etc etc etc. There are still some instances where..
how to compile & run java program in another java program? http://stackoverflow.com/questions/4842684/how-to-compile-run-java-program-in-another-java-program ~ tmp java Laj javac Main.java stderr Main.java 3 package Systems does not exist javac Main.java stderr Systems.out.println ok.. 3 package Systems does not exist javac Main.java stderr Systems.out.println ok javac Main.java stderr ^ javac Main.java stderr..
http://stackoverflow.com/questions/4842813/use-xml-as-database-in-java other hand you are closer to XML if you use XML Database Systems which offer XML database APIs. Like Exist or Apache Xindice..
Real-time Java graph / chart library? [closed] http://stackoverflow.com/questions/555804/real-time-java-graph-chart-library anything in Java or even in another language . Operating Systems that we use aren't designed to be real time. You can't have..
JRockit JVM versus HotSpot JVM http://stackoverflow.com/questions/8068717/jrockit-jvm-versus-hotspot-jvm JRockit was originally developed by Appeal and BEA Systems before being acquired by Oracle to run server software. 1 It..
Is there an off-the-shelf clock synchronization solution for Java? http://stackoverflow.com/questions/939633/is-there-an-off-the-shelf-clock-synchronization-solution-for-java Read Distributed Computing Principles Algorithms and Systems Especially Chapter 3 logical time Edit Further to Cheeso's post..
Java 256-bit AES Password-Based Encryption http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption sounds like the policy files are not correctly installed. Systems can easily have multiple Java runtimes double check to make..
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