What is the result of compiling and running this program?class Mammal{ void eat(Mammal m){ System.out.println("Mammal eats food"); }}class Cattle extends Mammal{ void eat(Cattle c){ System.out.println("Cattle eats hay"); }}class Horse extends Cattle{ void eat(Horse h){ System.out.println("Horse eats hay"); }}public class Test{ public static void main(String[] args){ Mammal h = new Horse(); Cattle c = new Horse(); c.eat(h); }}

JAVA Inheritence
What is the result of compiling and running this program?class Mammal{ void eat(Mammal m){ System.out.println("Mammal eats food"); }}class Cattle extends Mammal{ void eat(Cattle c){ System.out.println("Cattle eats hay"); }}class Horse extends Cattle{ void eat(Horse h){ System.out.println("Horse eats hay"); }}public class Test{ public static void main(String[] args){ Mammal h = new Horse(); Cattle c = new Horse(); c.eat(h); }}

prints "Cattle eats hay"

prints "Mammal eats food"

prints "Horse eats hay"

Class cast Exception at runtime.

None of these

prints "Cattle eats hay"

prints "Mammal eats food"

prints "Horse eats hay"

Class cast Exception at runtime.

None of these

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
What will be the result of compiling and executing the following program code?class Vehicle{ public void printSound(){ System.out.print("vehicle"); }}class Car extends Vehicle{ public void printSound(){ System.out.print("car"); }}class Bike extends Vehicle{ public void printSound(){ System.out.print("bike"); }}public class Test{ public static void main(String[] args){ Vehicle v = new Car(); Bike b = (Bike) v; v.printSound(); b.printSound(); }}

"vehiclecar" is printed.

Compilation fails.

"vehiclebike" is printed.

"carcar" is printed.

ClassCastException exception is thrown at runtime.

"vehiclecar" is printed.

Compilation fails.

"vehiclebike" is printed.

"carcar" is printed.

ClassCastException exception is thrown at runtime.

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
What will be the output?class One{ final int a = 15;}class Two extends One{ final int a = 20;}public class Test extends Two{ final int a = 30; public static void main(String args[]){ Test t = new One(); System.out.print(t.a); }}

30

15

None of these

20

Compiler Error

30

15

None of these

20

Compiler Error

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
The concept of multiple inheritance is implemented in Java byI. Extending two or more classes.II. Extending one class and implementing one or more interfaces.III. Implementing two or more interfaces.

Only (II)

(II) and (III)

Only (I)

(I) and (II)

Only (III)

Only (II)

(II) and (III)

Only (I)

(I) and (II)

Only (III)

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
Which is true?

"X extends Y" is correct if and only if X is an interface and Y is a class

"X extends Y" is correct if and only if X is a class and Y is an interface

"X extends Y" is correct if X and Y are either both classes or both interfaces

"X extends Y" is correct for all combinations of X and Y being classes and/or interfaces

"X extends Y" is correct if and only if X is an interface and Y is a class

"X extends Y" is correct if and only if X is a class and Y is an interface

"X extends Y" is correct if X and Y are either both classes or both interfaces

"X extends Y" is correct for all combinations of X and Y being classes and/or interfaces

ANSWER DOWNLOAD EXAMIANS APP

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

ExamiansBaseDerived

BaseExamiansDerived

ExamiansDerived

ExamiansDerivedBase

Compilation Error

ExamiansBaseDerived

BaseExamiansDerived

ExamiansDerived

ExamiansDerivedBase

Compilation Error

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence

JAVA Inheritence What will be the output?class One{ final int a = 15;}class Two extends One{ final int a = 20;}public class Test extends Two{ final int a = 30; public static void main(String args[]){ Test t = new One(); System.out.print(t.a); }}

JAVA Inheritence The concept of multiple inheritance is implemented in Java byI. Extending two or more classes.II. Extending one class and implementing one or more interfaces.III. Implementing two or more interfaces.

JAVA Inheritence Which is true?

JAVA Inheritence
What will be the output?class One{ final int a = 15;}class Two extends One{ final int a = 20;}public class Test extends Two{ final int a = 30; public static void main(String args[]){ Test t = new One(); System.out.print(t.a); }}

JAVA Inheritence
The concept of multiple inheritance is implemented in Java byI. Extending two or more classes.II. Extending one class and implementing one or more interfaces.III. Implementing two or more interfaces.

JAVA Inheritence
Which is true?