java Programming Glossary: explained
Scala equivalent of Java java.lang.Class<T> Object http://stackoverflow.com/questions/1135248/scala-equivalent-of-java-java-lang-classt-object of Java java.lang.Class T Object The question is best explained by an example In Java for a JPA EntityManager I can do the following..
java.lang.UnsatisfiedLinkError no *****.dll in java.library.path http://stackoverflow.com/questions/1403788/java-lang-unsatisfiedlinkerror-no-dll-in-java-library-path will always get the latter type of UnsatisfiedLinkError explained above. As a sidenote most people put their loadLibrary calls..
How to implement a single instance Java application? http://stackoverflow.com/questions/177189/how-to-implement-a-single-instance-java-application on windows. Or you may use ManagementFactory object. As explained here The getMonitoredVMs int processPid method receives as paramter..
Should new projects use logback instead of log4j? [closed] http://stackoverflow.com/questions/178836/should-new-projects-use-logback-instead-of-log4j way that other logging frameworks are. Bridging jul is explained in the javadocs of SLF4JBridgeHandler. I've had a very good..
What does “Could not find or load main class” mean? http://stackoverflow.com/questions/18093928/what-does-could-not-find-or-load-main-class-mean need to understand the concept of the classpath . This is explained well by the Oracle documentation The java command documentation..
What's the issue with creating a generic array? [duplicate] http://stackoverflow.com/questions/18581002/whats-the-issue-with-creating-a-generic-array new Object 10 The above code have the same implications as explained above. If you notice the compiler would be giving you an Unchecked..
Java error: Only a type can be imported. XYZ resolves to a package http://stackoverflow.com/questions/1858463/java-error-only-a-type-can-be-imported-xyz-resolves-to-a-package can be imported. XYZ resolves to a package. Someone has explained the cause here but I am not sure what I supposed to do to fix..
What is difference between “Class.forName()” and “Class.forName().newInstance()”? http://stackoverflow.com/questions/2092659/what-is-difference-between-class-forname-and-class-forname-newinstance test.Demo Demo demo Demo clazz.newInstance As explained in its javadoc calling Class.forName String returns the Class.. as comment The case of JDBC drivers is a bit special. As explained in the DriverManager chapter of Getting Started with the JDBC..
EventListenerList firing order http://stackoverflow.com/questions/2159803/eventlistenerlist-firing-order sense given the order prescribed in EventListenerList and explained in this article . Can I rely on that order or should I arrange..
Round a double to 2 decimal places http://stackoverflow.com/questions/2808535/round-a-double-to-2-decimal-places
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu understanding all of the snippets in the question can be explained. The confusion arises in falsely believing that a type like.. fine The reason WildSnippet2 compiles is because as explained above none of the can CC. In WildSnippet1 either the K or the..
Why are local variables not initialized in Java? http://stackoverflow.com/questions/415687/why-are-local-variables-not-initialized-in-java same for local variables And it also leads to problems as explained in this comment to a blog post ... java variables share improve..
Primitive type 'short' - casting in Java http://stackoverflow.com/questions/477750/primitive-type-short-casting-in-java casting primitive short share improve this question As explained in short C# but also for other language compilers as well like..
Java Generics http://stackoverflow.com/questions/490091/java-generics Generics Can someone explained as detailed as possible the differences between the following..
What is an efficient way to implement a singleton pattern in Java? http://stackoverflow.com/questions/70689/what-is-an-efficient-way-to-implement-a-singleton-pattern-in-java Use an enum public enum Foo INSTANCE Joshua Bloch explained this approach in his Effective Java Reloaded talk at Google..
Java Garbage Collection Log messages http://stackoverflow.com/questions/895444/java-garbage-collection-log-messages sun share improve this question Most of it is explained in the GC Tuning Guide which you would do well to read anyway..
Why is Multiple Inheritance not allowed in Java or C#? http://stackoverflow.com/questions/995255/why-is-multiple-inheritance-not-allowed-in-java-or-c for .NET Chris Brumme who worked at MS on the CLR has explained the reasons why they decided not to Different languages actually..
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