Mar 19, 2015 · 2f92e0f4 the hashcode of the object. The name of array classes look a little different, which is explained well in the Javadocs for Class.getName(). For instance, …

Dec 12, 2009 · You don't have to convert the object to a MyClass object because it already is. What you really want to do is to cast it, but since the class name is not known at compile time, …

If class B and class C extend class A and I have an object of type B or C, how can I determine of which type it is an instance?

Jun 20, 2014 · The Java documentation for Class says: Class objects are constructed automatically by the Java Virtual Machine as classes are loaded and by calls to the …

A class is a blueprint which you use to create objects. An object is an instance of a class - it's a concrete 'thing' that you made using a specific class. So, 'object' and 'instance' are the same …

However, what stumps me is the usage of Class<>. The java class Class is supposed to also take a template name, (or so I'm being told by the yellow underline in eclipse). I don't understand …

The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java array. The {} in JSON represents an object and should map to a Java Map or just …

The instanceof keyword, as described by the other answers, is usually what you would want. Keep in mind that instanceof will return true for superclasses as well. If you want to see if an …

Apr 25, 2012 · It can also be used to convert a JSON string to an equivalent Java object. Gson can work with arbitrary Java objects including pre-existing objects that you do not have source …

Mar 23, 2012 · Basic: Object Copying in Java. Let us Assume an object- obj1, that contains two objects, containedObj1 and containedObj2. shallow copying: shallow copying creates a new …