JAVA Constructors and Methods The main method should be static for the reason None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. 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 (5), constructor can't be static Won't compile because of line (1), constructor can't be private 10 50 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 10 50 50 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(); }} one Exception None of these two one one Compilation Error one one two one Exception None of these two one one Compilation Error one one two ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor 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 ) ; } } None of these 0 Compile time error 2.0 None of these 0 Compile time error 2.0 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)); } } does not compile The sum of x and y is 9 The sum of x and y is 45 None of these does not compile The sum of x and y is 9 The sum of x and y is 45 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS