JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? MyClass(){} MyClass(void) {} public MyClass(){} public MyClass(void){} 1 and 3 MyClass(){} MyClass(void) {} public MyClass(){} public MyClass(void){} 1 and 3 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 ) ; } } 0 2.0 Compile time error None of these 0 2.0 Compile time error None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile { private Profile(int w) { // line 1 System.out.print(w); } public static Profile() { // line 5 System.out.print (10); } public static void main(String args[]) { Profile obj = new Profile(50); }} Won't compile because of line (1), constructor can't be private 50 10 50 Won't compile because of line (5), constructor can't be static Won't compile because of line (1), constructor can't be private 50 10 50 Won't compile because of line (5), constructor can't be static ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is void There is no return type. None of these A class object in which it is defined. void There is no return type. None of these A class object in which it is defined. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Stack Storage Area Heap Array Stack Storage Area Heap Array ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} Compilation Error 1 None of these 2 3 Compilation Error 1 None of these 2 3 ANSWER DOWNLOAD EXAMIANS APP
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