Declaration and Access Control
Choose the correct statementpublic class Circle{ private double radius; public Circle(double radius){ radius = radius; }}

The program has a compilation error because we cannot assign radius to radius.
The program will compile, but we cannot create an object of Circle with a specified radius. The object will always have radius 0.
The program has a compilation error because it does not have a main method.
The program does not compile because Circle does not have a default constructor.

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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;}}

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

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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"); } }}

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

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