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)); } }

None of these
does not compile
The sum of x and y is 9
The sum of x and y is 45

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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.}

15
Compile fail due to error on line no 9
Compile fail due to error on line no 2
None of these
Compile fail due to error on line no 8

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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 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

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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
10 50
Won't compile because of line (5); constructor can't be final
50

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