JAVA Overriding and Overloading ____________ method cannot be overridden. super None of these final static private super None of these final static private 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());}} 40 None of these 10 30 20 40 None of these 10 30 20 ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be the output?interface A{public void method1();}class One implements A{public void method1(){System.out.println("Class One method1");}}class Two extends One{public void method1(){System.out.println("Class Two method1");}}public class Test extends Two{public static void main(String[] args){A a = new Two();a.method1();}} Nothing will be printed Compilation Error Class One method1 Class Two method1 Nothing will be printed Compilation Error Class One method1 Class Two method1 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 10 Value-A 11 Value-A 10 None of these Value-B 11 Value-B 10 Value-A 11 Value-A 10 None of these Value-B 11 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 B method None of these Runtime Error Class A method Compilation Error Class B method None of these Runtime Error Class A method Compilation Error 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. Runtime error Will compile and run printing out 20 Will compile and run printing out 25 Will not compile. Runtime error Will compile and run printing out 20 ANSWER DOWNLOAD EXAMIANS APP
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