Declaration and Access Control
Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A();

1 and 3
1 and 2
3 and 4
2 and 4

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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"); } }}

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

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Declaration and Access Control
Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;}

An object of B contains data fields k, m.
An object of B contains data fields i, j, k, m.
An object of B contains data fields j, m.
An object of B contains data fields j, k, m.

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

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