JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these public Test( ) Test( ) public Test(void) Test(void) None of these public Test( ) Test( ) public Test(void) Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}} Wild Animal Compilation Error Animal Wild Runtime Exception Wild Animal Compilation Error Animal Wild Runtime Exception 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 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 static 10 50 50 Won't compile because of line (1), constructor can't be private 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 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 4 At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 1, constructor Tester must be marked public like its class ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? MyClass(void) {} public MyClass(){} 1 and 3 MyClass(){} public MyClass(void){} MyClass(void) {} public MyClass(){} 1 and 3 MyClass(){} public MyClass(void){} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? None of these All of these A a = new A(String s); A a = new B(5); A a = new B(); None of these All of these A a = new A(String s); A a = new B(5); A a = new B(); ANSWER DOWNLOAD EXAMIANS APP
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