Declaration and Access Control
What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Exception is thrown at runtime
Compilation Error
Derived
BaseDerived

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Declaration and Access Control
Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}}

InsideDemo 10 Hello2 hello1
Compilation error.
IllegalArgumentException is thrown at runtime.
Hello2 InsideDemo 10
InsideDemo 10 Hello2

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Declaration and Access Control
What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }}

Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted.
one
two
None of these
Compile error - char can't be permitted in switch statement.

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Declaration and Access Control
What is the result of compiling and running the following code?public class Tester{static int x = 4;public Tester(){System.out.print(this.x); // line 1Tester();}public static void Tester(){ // line 2System.out.print(this.x); // line 3}public static void main(String... args){ // line 4new Tester();}}

Compile error at line 1 (static x must be only accessed inside static methods)
44
Compile error at line 3 (static methods can't invoke this)
Compile error at line 4 (invalid argument type for method main )
Compile error at line 2 (constructors can't be static)

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

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