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(); }} a b c a c b a c The code runs without output.. a b c a c b a c The code runs without output.. 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 20 None of these 15 Compiler Error 30 20 None of these 15 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. (I) and (II) Only (I) Only (III) Only (II) (II) and (III) (I) and (II) Only (I) Only (III) Only (II) (II) and (III) 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();}} Class B method2 Class C method3 None of these Class C method2 Class C method3 Compilation Error Runtime exception Class B method2 Class C method3 None of these Class C method2 Class C method3 Compilation Error Runtime exception ANSWER DOWNLOAD EXAMIANS APP
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); }} None of these prints "Cattle eats hay" prints "Horse eats hay" Class cast Exception at runtime. prints "Mammal eats food" None of these prints "Cattle eats hay" prints "Horse eats hay" Class cast Exception at runtime. prints "Mammal eats food" 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(); }} Compile time error Compiles successfully and print None of This Run Time error Compiles successfully and print Compile time error Compiles successfully and print None of This Run Time error Compiles successfully and print ANSWER DOWNLOAD EXAMIANS APP
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