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?

Runtime error

Compiles and runs printing

It will fail to compile.

Compiles and runs with no output.

Runtime error

Compiles and runs printing

It will fail to compile.

Compiles and runs with no output.

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Declaration and Access Control
What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Compilation Error

Exception is thrown at runtime

Derived

BaseDerived

Compilation Error

Exception is thrown at runtime

Derived

BaseDerived

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Declaration and Access Control
Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here}

static void add(int args...){}

static void add(int...args){}

void add(Integer... args){}

static void add(int[]... args){}

static void add(int... args, int y){}

static void add(int args...){}

static void add(int...args){}

void add(Integer... args){}

static void add(int[]... args){}

static void add(int... args, int y){}

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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?

Declare the method with the keyword private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword public.

Declare the method with the keyword public and private.

Declare the method with the keyword protected.

Declare the method with the keyword private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword public.

Declare the method with the keyword public and private.

Declare the method with the keyword protected.

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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();

2 and 4

1 and 2

3 and 4

1 and 3

2 and 4

1 and 2

3 and 4

1 and 3

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Declaration and Access Control
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.

static

final

native

volatile

abstract

static

final

native

volatile

abstract

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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 is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Declaration and Access Control Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here}

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 Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.

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 is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Declaration and Access Control
Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here}

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
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.