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)
(I) and (II)
Only (III)
Only (I)
(II) and (III)

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
What will be the result after compiling this code?class SuperClass{ public int doIt(String str, Integer... data)throws Exception{ String signature = "(String, Integer[])"; System.out.println(str + " " + signature); return 1; }}public class Test extends SuperClass{ public int doIt(String str, Integer... data){ String signature = "(String, Integer[])"; System.out.println("Overridden: " + str + " " +signature); return 0; } public static void main(String... args){ SuperClass sb = new Test(); sb.doIt("hello", 3); }}

hello (String, Integer[])
None of these
Overridden: hello (String, Integer[])
Compilation fails

ANSWER DOWNLOAD EXAMIANS APP

JAVA Inheritence
What will be the output?class Parent{ public void method(){ System.out.println("Hi i am parent"); }}public class Child extends Parent{ protected void method(){ System.out.println("Hi i am Child"); } public static void main(String args[]){ Child child = new Child(); child.method(); }}

Compiles successfully and print
Run Time error
None of This
Compile time error
Compiles successfully and print

ANSWER DOWNLOAD EXAMIANS APP

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();}}

Runtime exception
Class B method2 Class C method3
Compilation Error
None of these
Class C method2 Class C method3

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(); }}

"vehiclebike" is printed.
"carcar" is printed.
"vehiclecar" is printed.
Compilation fails.
ClassCastException exception is thrown at runtime.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON JAVA Inheritence