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(); }}

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(); }}

ExamiansDerivedBase

BaseExamiansDerived

ExamiansBaseDerived

Compilation Error

ExamiansDerived

ExamiansDerivedBase

BaseExamiansDerived

ExamiansBaseDerived

Compilation Error

ExamiansDerived

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JAVA Inheritence
Determine output:class A{public void method1(){System.out.print("Class A method1");}}class B extends A{public void method2(){System.out.print("Class B method2");}}class C extends B{public void method2(){System.out.print("Class C method2");}public void method3(){System.out.print("Class C method3");}}public class Test{public static void main(String args[]){A a = new A();C c = new C();c.method2();a = c;a.method3();}}

Class C method2 Class C method3

Class B method2 Class C method3

Compilation Error

None of these

Runtime exception

Class C method2 Class C method3

Class B method2 Class C method3

Compilation Error

None of these

Runtime exception

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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.

(I) and (II)

Only (II)

(II) and (III)

Only (I)

Only (III)

(I) and (II)

Only (II)

(II) and (III)

Only (I)

Only (III)

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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(); }}

Compilation fails.

"vehiclebike" is printed.

"vehiclecar" is printed.

"carcar" is printed.

ClassCastException exception is thrown at runtime.

Compilation fails.

"vehiclebike" is printed.

"vehiclecar" is printed.

"carcar" is printed.

ClassCastException exception is thrown at runtime.

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JAVA Inheritence
Determine output:class Small{ public Small(){ System.out.print("a "); }}class Small2 extends Small{ public Small2(){ System.out.print("b "); }}class Small3 extends Small2{ public Small3(){ System.out.print("c "); }}public class Test{ public static void main(String args[]){ new Small3(); }}

c

a b c

a

The code runs without output..

c b a

c

a b c

a

The code runs without output..

c b a

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JAVA Inheritence
Which is true?

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

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

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

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

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

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

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

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

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JAVA Inheritence

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
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?