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); }} 20 Compiler Error 30 None of these 15 20 Compiler Error 30 None of these 15 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 The code runs without output.. c c b a a b c a The code runs without output.. c c b a a b c 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); }} prints "Mammal eats food" prints "Cattle eats hay" Class cast Exception at runtime. None of these prints "Horse eats hay" prints "Mammal eats food" prints "Cattle eats hay" Class cast Exception at runtime. None of these prints "Horse eats hay" 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); }} None of these hello (String, Integer[]) Overridden: hello (String, Integer[]) Compilation fails None of these hello (String, Integer[]) Overridden: hello (String, Integer[]) Compilation fails 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(); } } 12 23 123 321 12 23 123 321 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 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS