Declaration and Access Control
What is the result of compiling and running the following code?public class Tester{static int x = 4;int y = 9; public Tester(){System.out.print(this.x); // line 1printVariables();}public static void printVariables(){System.out.print(x); // line 2System.out.print(y); // line 3}public static void main(String... args) { // line 4new Tester();}}

Compile error at line 3 (static methods can't make reference to non-static variables)
Compile error at line 2 (must access x by writing Tester.x)
49
Compile error at line 4 (invalid argument type for method main)
Compile error at line 1 (static x must be only accessed inside static methods)

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

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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 ");}}

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

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