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)); } }

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

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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.}

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

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JAVA Constructors and Methods
class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}}

Compilation fails due to an error on line 1
Compilation fails due to an error on line 2
One
Compilation succeed but no output.

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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 (1), constructor can't be private
50
10 50
Won't compile because of line (5), constructor can't be static

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JAVA Constructors and Methods
Which of the following statements regarding static methods are correct?1. Static methods are difficult to maintain, because you can not change their implementation.2. Static methods can be called using an object reference to an object of the class in which this method is defined.3. Static methods are always public, because they are defined at class-level.4. Static methods do not have direct access to non-static methods which are defined inside the same class.

2 and 4
3 and 4
1 and 3
1 and 2

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