If a thread attempts to execute a synchronized method or synchronized statement and is unable to acquire an object’s lock, it enters the waiting state until the lock becomes available.
Methods declared as static have several restrictions1) They can only call other static methods.2) They must only access static data.3) They cannot refer to this or super in any way Which of these are TRUE?A) 1 and 2B) 1 and 3C) 2 and 3D) 1, 2 and 3
In this example class-var = new classname( ); The class name followed by parentheses specifies the _________ for the classA) VariablesB) ConstructorC) ObjectsD) Memory
If the method does not return a value, its return type must be voidA) TrueB) False
What is the difference between instantiation & initialization?
In System.out.println() explain it.My doubt, we call static method with Class name but here what is "out"?
What is difference between abstract class and interface?
Explain what are the advantage of servlet over jsp and what are advantage of jsp over java?
In interfaces the methods just defined without implementation then what is the purpose of defining the methods?
Java does not supports recursionA) TrueB) False
Explain can a abstract class have a constructor? When would the constructor in the abstract class be called?
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