JAVA Overriding and Overloading ____________ method cannot be overridden. super None of these private final static super None of these private final static 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());}} 20 40 None of these 30 10 20 40 None of these 30 10 ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be the output?class A{ int i = 10; public void printValue(){ System.out.print("Value-A"); }}class B extends A{ int i = 12; public void printValue(){ System.out.print("Value-B"); }}public class Test{ public static void main(String args[]){ A a = new B(); a.printValue(); System.out.print(a.i); }} Value-A 11 None of these Value-A 10 Value-B 11 Value-B 10 Value-A 11 None of these Value-A 10 Value-B 11 Value-B 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();}} Class A method Runtime Error None of these Class B method Compilation Error Class A method Runtime Error None of these Class B method Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What is output of the program?class Test{ public void display(int x, double y){ System.out.println(x+y); } public double display(int p, double q){ return (p+q); } public static void main(String args[]){ Test test = new Test(); test.display(4, 5.0); System.out.println(test.display(4, 5.0)); }} 9 9 Compilation Error None of these 9.0 9.0 9 9 Compilation Error None of these 9.0 9.0 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 Student I am a Person I am a Person I am a Student I am a Person I am a Student I am a Student I am a Person I am a Person I am a Student I am a Person ANSWER DOWNLOAD EXAMIANS APP
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