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 2 (constructors can't be static)
Compile error at line 3 (static methods can't invoke this)
Compile error at line 4 (invalid argument type for method main )

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

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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--; }}

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

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