JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables instance variables None of these objects reference variables instance variables None of these objects ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}} Runtime Exception Wild Animal Animal Wild Compilation Error Runtime Exception Wild Animal Animal Wild Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } } 2.0 None of these Compile time error 0 2.0 None of these Compile time error 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }} Prints 10 Prints 7 None of these Prints 0 Compilation Fails Prints 10 Prints 7 None of these Prints 0 Compilation Fails ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} A B 5 A 5 B 8 None of these B 8 A 5 A B 8 A B 5 A 5 B 8 None of these B 8 A 5 A B 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be executed without creating any instance of the class. None of these It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. It can be executed without creating any instance of the class. None of these It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. ANSWER DOWNLOAD EXAMIANS APP
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