java 4. Java allows for the use of generic typing to do away with all type check

Question

java

4. Java allows for the use of generic typing to do away with all
type checking of parameters to methods. TRUE OR FALSE ?

5 How many interfaces can a class implement?

6.When a programmer writes a class definition to implement an interface, he/she must write the method body for at least one of the method headings specified in the interface TRUE OR FALSE?

7. Declaring a formal parameter's type as T is the same thing as declaring the parameter's type as Object. TRUE OR FALSE?

8. What is the access type for all methods in an interface. (spelling and case matter).

Explanation / Answer

4. Java allows for the use of generic typing to do away with all type checking of parameters to methods. TRUE OR FALSE ?
Answer: True

5 How many interfaces can a class implement?
Answer: one or more than one(65535).

6.When a programmer writes a class definition to implement an interface, he/she must write the method body for at least one of the method headings specified in the interface TRUE OR FALSE?

Answer: False(must write the method bodies for all of the method headings specified in the interface)

7. Declaring a formal parameter's type as T is the same thing as declaring the parameter's type as Object. TRUE OR FALSE?
Answer: False(T is a generic type. Meaning it can be substituted by any qualifying object at runtime. )

8. What is the access type for all methods in an interface. (spelling and case matter).
Answer: All methods in an interface are public, even if you leave out the public keyword in the method declaration.

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