java Programming Glossary: mechanism
How to check if a String is a numeric type in Java http://stackoverflow.com/questions/1102891/how-to-check-if-a-string-is-a-numeric-type-in-java to fail due to not being a number then performance of this mechanism will not be great since you're relying upon exceptions being.. optional ' ' and decimal. Be careful with the above RegEx mechanism though as it'll fail if your using non latin i.e. 0 to 9 digits...
How and where are Annotations used in Java? http://stackoverflow.com/questions/1372876/how-and-where-are-annotations-used-in-java at run time by a framework. Annotation is a very powerful mechanism and can be used in a lot of different ways to describe constraints..
How to load a jar file at runtime http://stackoverflow.com/questions/194698/how-to-load-a-jar-file-at-runtime want to keep the object data then I suggest a persistence mechanism such as Serialisation or whatever you are used to. Of course..
At runtime, find all classes in a Java application that extend a base class http://stackoverflow.com/questions/205573/at-runtime-find-all-classes-in-a-java-application-that-extend-a-base-class There are approaches such as ddimitrov's ServiceLoader mechanism that can work but they are very heavy for what I want and I.. Java way to do what you want is to use the ServiceLoader mechanism. Also many people roll their own by having a file in a well..
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 meminfo. Why is that Well procrank uses a different kernel mechanism to collect its data than meminfo does and they give slightly..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection of a final field via reflection or other special mechanism. Even then there are a number of complications. If a final field..
Setting the default Java character encoding? http://stackoverflow.com/questions/361975/setting-the-default-java-character-encoding determine the default character encoding do not use this mechanism. When you are encoding or decoding you can query the file.encoding..
How to convert number to words in java http://stackoverflow.com/questions/3911966/how-to-convert-number-to-words-in-java convert number to words in java We currently have a crude mechanism to convert numbers to words e.g. using a few static arrays and..
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless QueryPerformanceFrequency API ... The default mechanism used by QPC is determined by the Hardware Abstraction layer..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation
Under what conditions is a JSESSIONID created? http://stackoverflow.com/questions/595872/under-what-conditions-is-a-jsessionid-created the application or servlet context level. The underlying mechanism such as the cookie used to establish the session can be the..
How does a HashMap work in Java? http://stackoverflow.com/questions/6493605/how-does-a-hashmap-work-in-java is a little bit simplified but it illustrates the basic mechanism It has a number of buckets which it uses to store key value.. test against what's in that bucket. Looking at the above mechanism you can also see what requirements are necessary on the hashCode..
How do I simulate a buffered peripheral device with SwingWorker? http://stackoverflow.com/questions/7036509/how-do-i-simulate-a-buffered-peripheral-device-with-swingworker internally it adds the interim EDT processing mechanism for convenience. As long as you update your GUI on the EDT and..
What is the difference between Serializable and Externalizable in Java? http://stackoverflow.com/questions/817853/what-is-the-difference-between-serializable-and-externalizable-in-java which is like java.io.Serializable but with custom written mechanisms to perform the marshalling and unmarshalling functions you.. with a modern JVM. Also the built in Java serialization mechanism isn't the only one you can get third party replacements such..
How are SSL certificate server names resolved/Can I add alternative names using keytool? http://stackoverflow.com/questions/8443081/how-are-ssl-certificate-server-names-resolved-can-i-add-alternative-names-using seem to use the CN field of the certificate but Java's mechanism seem to only look at subject alternative names only Is it possible..
Capturing stdout when calling Runtime.exec http://stackoverflow.com/questions/882772/capturing-stdout-when-calling-runtime-exec for more info and in particular note the StreamGobbler mechanism that captures stdout err in separate threads. This is essential..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization the instance initializer ... can anyone shed light on the mechanism Third question Is this idiom too obscure to use in production..
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