Declaration and Access Control
You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

Runtime error
It will fail to compile.
Compiles and runs printing
Compiles and runs with no output.

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Declaration and Access Control
Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}}

pre r1 r4 b1 b2 r2 r3 post
Compilation fail
r1 r4 pre b1 b2 post r3 r2
r1 r4 pre b1 b2 r3 r2 post
r1 r4 pre b1 b2 post

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Declaration and Access Control
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Declare the method with the keyword protected.
Declare the method with the keyword public and private.
Do not declare the method with any accessibility modifiers.
Declare the method with the keyword public.
Declare the method with the keyword private.

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