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 30 None of these Compiler Error 15 20 30 None of these Compiler Error 15 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 23 321 123 12 23 321 123 ANSWER DOWNLOAD EXAMIANS APP
JAVA Inheritence Which is true? "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 "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 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(); }} Run Time error Compile time error Compiles successfully and print Compiles successfully and print None of This Run Time error Compile time error Compiles successfully and print Compiles successfully and print None of This 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 5 2 and 4 1 and 2 2 and 5 3 and 4 3 and 5 2 and 4 1 and 2 2 and 5 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Inheritence Determine output:class A{ public void printName(){ System.out.println("Name-A"); }}class B extends A{ public void printName(){ System.out.println("Name-B"); }}class C extends A{ public void printName(){ System.out.println("Name-C"); }}1. public class Test{2. public static void main (String[] args){3. B b = new B();4. C c = new C();5. b = c;6. newPrint(b);7. }8. public static void newPrint(A a){9. a.printName();10. }11. } Compilation fails due to an error on lines 5 Name C Name B None of these Compilation fails due to an error on lines 9 Compilation fails due to an error on lines 5 Name C Name B None of these Compilation fails due to an error on lines 9 ANSWER DOWNLOAD EXAMIANS APP
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