JAVA Overriding and Overloading ____________ method cannot be overridden. super None of these static final private super None of these static final private 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-B 11 Value-A 10 Value-B 10 None of these Value-A 11 Value-B 11 Value-A 10 Value-B 10 None of these Value-A 11 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. } Value-A Name-C Value-A Name-B Value-A Value-A Name-B Name-C None of these Value-A Name-C Value-A Name-B Value-A Value-A Name-B Name-C None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What is the output for the below code ?class A{ private void printName(){ System.out.println("Value-A"); }}class B extends A{ public void printName(){ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args){ B b = new B(); b.printName(); }} Value-A Name-B Value-A Compilation fails - private methods can't be override None of these Name-B Value-A Name-B Value-A Compilation fails - private methods can't be override None of these Name-B 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 Will not compile. Will compile and run printing out 20 Runtime error Will compile and run printing out 25 Will not compile. Will compile and run printing out 20 Runtime error 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 30 10 40 None of these 20 30 10 40 ANSWER DOWNLOAD EXAMIANS APP
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