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();}}

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

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

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Declaration and Access Control
What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

None of these
The program will lead to compilation error.
The program will compile successfully and display 10 as output.
The program will lead to runtime error.
The will compile successfully and display 9 as output.

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

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