Jul 30, 2012 · The Java Language Specification specifies and uses the term "declaration" extensively, but it does not use "definition" except as a normal English word. My evidence is …

I have been told several definitions for it, looked on Wikipedia, but as a beginner to Java I'm still not sure what it means. Anybody fluent in Java?

JavaBeans are Java classes which adhere to an extremely simple coding convention. All you have to do is to implement the java.io.Serializable interface - to save the state of an object use …

Aug 7, 2010 · A Java object is serializable if its class or any of its superclasses implements either the java.io.Serializable interface or its subinterface, java.io.Externalizable. Deserialization is …

Apr 23, 2015 · A java bean is a class that is serializable, has a no-argument constructor, and uses getters and setter methods for its member fields. Its used in Java Enterprise Apps to store …

If a reference variable is set to null either explicitly by you or through Java automatically, and you attempt to dereference it you get a NullPointerException. The NullPointerException (NPE) …

Feb 10, 2012 · 53 I've been programming Java for 2 years now, and I have encountered a problem where I couldn't understand and differentiate class, reference, and an object. I am not …

Mar 7, 2010 · The classpath is the path where the Java Virtual Machine look for user-defined classes, packages and resources in Java programs. In this context, the format() method load a …

I am getting a NoClassDefFoundError when I run my Java application. What is typically the cause of this?

Nov 11, 2008 · Respect the above definition which could be checked by looking into the Sting.java source code. What are the advantages/disadvantages of the immutable objects? immutable …