You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

Declaration and Access Control
You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

It will fail to compile.

Runtime error

Compiles and runs printing

Compiles and runs with no output.

It will fail to compile.

Runtime error

Compiles and runs printing

Compiles and runs with no output.

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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 compile successfully and display 10 as output.

The program will lead to compilation error.

The program will lead to runtime error.

The will compile successfully and display 9 as output.

None of these

The program will compile successfully and display 10 as output.

The program will lead to compilation error.

The program will lead to runtime error.

The will compile successfully and display 9 as output.

None of these

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Declaration and Access Control
The object is created with new keyword

At run-time

At Compile-time

Depends on the code

None of these

At run-time

At Compile-time

Depends on the code

None of these

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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?

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword private.

Declare the method with the keyword public.

Declare the method with the keyword protected.

Declare the method with the keyword public and private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword private.

Declare the method with the keyword public.

Declare the method with the keyword protected.

Declare the method with the keyword public and private.

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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 2

3 and 4

1 and 3

2 and 4

1 and 2

3 and 4

1 and 3

2 and 4

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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;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 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 )

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 )

Compile error at line 1 (static x must be only accessed inside static methods)

44

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Declaration and Access Control

Declaration and Access Control You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

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--; }}

Declaration and Access Control The object is created with new keyword

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?

Declaration and Access Control
You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

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--; }}

Declaration and Access Control
The object is created with new keyword

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?