JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Array Storage Area Heap Stack Array Storage Area Heap Stack 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 class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }} two one one Compilation Error one Exception None of these one one two two one one Compilation Error one Exception None of these one one two ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile {private Profile(int w) { // line 1System.out.print(w);}public final Profile() { // line 5System.out.print(10);}public static void main(String args[]) {Profile obj = new Profile(50);}} Won't compile because of line (5); constructor can't be final 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 final Won't compile because of line (1); constructor can't be private 50 10 50 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? public private protected static public private protected static ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } The sum of x and y is 45 does not compile The sum of x and y is 9 None of these The sum of x and y is 45 does not compile The sum of x and y is 9 None of these ANSWER DOWNLOAD EXAMIANS APP
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