JAVA Overriding and Overloading ____________ method cannot be overridden. final super private None of these static final super private None of these static ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading what is the result of the following piece of code:public class Person{ public void talk(){ System.out.print("I am a Person"); }}public class Student extends Person{ public void talk(){ System.out.print("I am a Student"); }}public class Test{ public static void main(String args[]){ Person p = new Student(); p.talk(); }} I am a Student I am a Person I am a Student I am a Person I am a Student I am a Person I am a Student I am a Person I am a Student I am a Person I am a Student I am a Person ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading Determine output:class A{ public void printValue(){ System.out.println("Value-A"); }}class B extends A{ public void printNameB(){ System.out.println("Name-B"); }}class C extends A{ public void printNameC(){ 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. newPrint(b);6. newPrint(c);7. }8. public static void newPrint(A a){9. a.printValue();10. }11. } None of these Value-A Name-B Name-B Name-C Value-A Value-A Value-A Name-C None of these Value-A Name-B Name-B Name-C Value-A Value-A Value-A Name-C ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be the output of the following program code?class Rectangle{ public int area(int length, int width){ return length*width; }}class Square extends Rectangle{ public int area(long length, long width){ return (int) Math.pow(length, 2); }}public class Test{ public static void main(String args[]){ Square r = new Square(); System.out.println(r.area(5 , 4)); }} Will compile and run printing out 25 Runtime error Will compile and run printing out 20 Will not compile. Will compile and run printing out 25 Runtime error Will compile and run printing out 20 Will not compile. ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be printed after executing following program code?class Base{int value = 0; Base(){ addValue(); } void addValue(){ value += 10; } int getValue(){ return value; }}class Derived extends Base{Derived(){addValue();}void addValue(){value += 20;}}public class Test{public static void main(String[] args){Base b = new Derived();System.out.println(b.getValue());}} None of these 20 40 30 10 None of these 20 40 30 10 ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be the output?class A{static void method(){System.out.println("Class A method");}}class B extends A{static void method(){System.out.println("Class B method");}}public class Test{public static void main(String args[]){A a = new B();a.method();}} Runtime Error None of these Class A method Compilation Error Class B method Runtime Error None of these Class A method Compilation Error Class B method ANSWER DOWNLOAD EXAMIANS APP