JAVA Constructors and Methods Which of the modifier can't be used for constructors? protected static private public protected static private public ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) Test( ) None of these public Test(void) Test(void) public Test( ) Test( ) None of these public Test(void) Test(void) 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 one one two Compilation Error None of these two one one one Exception one one two Compilation Error None of these two one one 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 (1); constructor can't be private Won't compile because of line (5); constructor can't be final 10 50 50 Won't compile because of line (1); constructor can't be private Won't compile because of line (5); constructor can't be final 10 50 50 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 Compile time error 0 None of these 2.0 Compile time error 0 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is None of these There is no return type. A class object in which it is defined. void None of these There is no return type. A class object in which it is defined. void ANSWER DOWNLOAD EXAMIANS APP
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