· What is a native method?
· Does Java provide any construct to find out the size of an object?
· Is Empty .java file a valid source file?
· Can a .java file contain more than one java classes?
· What is the difference between an argument and a parameter?
· What is UNICODE?
· What are Transient and Volatile Modifiers?
· What are the different scopes for Java variables?
· What are wrapper classes?
· What is a the difference between System.err and System.out?
· What are the contracts defined by .equals()?
· If two objects are considered equal by .equals() , can it be said they has same hashCode()?
· If two objects have same hashCode() is it necessary they will be equal by using .equals() method?
· What contracts hashCode () defines?
· What is the difference between == and equals?
· What is the difference between List and List<String> (not parameterized list and list parameterized by String) in Java?
· What are generics in jdk1.5?
· Are generics covariant?
· What are Lower-bounded wildcards in generics?
What is Upper bounded wildcards in generics?
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