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); }} Compiler Error 20 15 30 None of these Compiler Error 20 15 30 None of these 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. Only (II) (I) and (II) Only (I) Only (III) (II) and (III) Only (II) (I) and (II) Only (I) Only (III) (II) and (III) 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 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 Compilation fails due to an error on lines 5 Name C Name B None of these 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. 1 and 2 3 and 5 3 and 4 2 and 4 2 and 5 1 and 2 3 and 5 3 and 4 2 and 4 2 and 5 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 Compiles successfully and print Compile time error Run Time error None of This Compiles successfully and print Compiles successfully and print Compile time error Run Time error None of This ANSWER DOWNLOAD EXAMIANS APP
JAVA Inheritence What is the result of compiling and running the following code?class Base{ public Base(){ System.out.print("Base"); }}public class Derived extends Base{ public Derived(){ this("Examveda"); System.out.print("Derived"); } public Derived(String s){ System.out.print(s); } public static void main(String[] args){ new Derived(); }} ExamiansBaseDerived ExamiansDerived BaseExamiansDerived Compilation Error ExamiansDerivedBase ExamiansBaseDerived ExamiansDerived BaseExamiansDerived Compilation Error ExamiansDerivedBase ANSWER DOWNLOAD EXAMIANS APP
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