why not java.lang.Object class is abstact class?
128058
Why java.lang.Object is not abstract?
89885
Does Java guarantee that Object.getClass() == Object.getClass()?
36028
Is it possible to call subclasses' methods on a superclass object?
98426
Using org.json in Servlet causes java.lang.ClassNotFoundException: org.json.JSONException
3650
How to access java-classes in the default-package?
40468
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
9714
Why does `instanceof` error rather than return `false` when used for 2 incompatible classes?
81069
How to get ObjectContext to compile?
156773
What is the difference between a.getClass() and A.class in Java?
142913
How do you get the "object reference" of an object in java when toString() and hashCode() have been overridden?
131486
Is there a built in .NET exception that indicates an illegal object state?
66765
What is this: [Ljava.lang.Object;?
26761
Getting hold of the outer class object from the inner class object
9125
Interpreting eclipse .classpath file. What does 'kind="con"' and 'exported="true"' mean?
152780
what is the difference between null != object and object!=null
146402
Why can't Java 7 diamond operator be used with anonymous classes?
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?