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) (II) and (III) Only (I) Only (III) Only (II) (I) and (II) (II) and (III) Only (I) Only (III) Only (II) ANSWER DOWNLOAD EXAMIANS APP
JAVA Inheritence What is the output of the following program code?abstract class C1{public C1(){ System.out.print(1); } } class C2 extends C1{ public C2(){ System.out.print(2); } } class C3 extends C2{ public C3(){ System.out.println(3); } } public class Test{ public static void main(String[] a){ new C3(); } } 123 12 321 23 123 12 321 23 ANSWER DOWNLOAD EXAMIANS APP
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 c b a c a The code runs without output.. a b c c b a c a The code runs without output.. ANSWER DOWNLOAD EXAMIANS APP
JAVA Inheritence Which of the following is true?1. A class can extend more than one class.2. A class can extend only one class but many interfaces.3. An interface can extend many interfaces.4. An interface can implement many interfaces.5. A class can extend one class and implement many interfaces. 3 and 4 3 and 5 2 and 5 1 and 2 2 and 4 3 and 4 3 and 5 2 and 5 1 and 2 2 and 4 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 "Mammal eats food" prints "Horse eats hay" prints "Cattle eats hay" Class cast Exception at runtime. None of these prints "Mammal eats food" prints "Horse eats hay" prints "Cattle eats hay" Class cast Exception at runtime. 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(); }} None of This Compile time error Compiles successfully and print Run Time error Compiles successfully and print None of This Compile time error Compiles successfully and print Run Time error Compiles successfully and print ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS