JAVA Constructors and Methods Which of the modifier can't be used for constructors? public static protected private public static protected private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? public MyClass(){} public MyClass(void){} MyClass(void) {} MyClass(){} 1 and 3 public MyClass(){} public MyClass(void){} MyClass(void) {} MyClass(){} 1 and 3 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(); }} None of these one Exception two one one one one two Compilation Error None of these one Exception two one one one one two Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables None of these objects instance variables reference variables None of these objects instance variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} Compile fail due to error on line no 8 Compile fail due to error on line no 9 Compile fail due to error on line no 2 None of these 15 Compile fail due to error on line no 8 Compile fail due to error on line no 9 Compile fail due to error on line no 2 None of these 15 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 10 50 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 10 50 50 ANSWER DOWNLOAD EXAMIANS APP
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