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.

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.

1 and 3

2 and 4

1 and 2

3 and 4

1 and 3

2 and 4

1 and 2

3 and 4

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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); }}

10 50

50

Won't compile because of line (5), constructor can't be static

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 static

Won't compile because of line (1), constructor can't be private

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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 ) ; } }

Compile time error

2.0

None of these

0

Compile time error

2.0

None of these

0

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JAVA Constructors and Methods
In which area of memory, the system stores parameters and local variables whenever a method is invoked?

Array

Storage Area

Stack

Heap

Array

Storage Area

Stack

Heap

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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

The sum of x and y is 45

does not compile

The sum of x and y is 9

None of these

The sum of x and y is 45

does not compile

The sum of x and y is 9

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JAVA Constructors and Methods
The finalize() method is called just prior to

An object, variable or method goes out of scope.

None of these

An object or variable goes out of scope.

A variable goes out of scope.

Before garbage collection.

An object, variable or method goes out of scope.

None of these

An object or variable goes out of scope.

A variable goes out of scope.

Before garbage collection.

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JAVA Constructors and Methods

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); }}

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 ) ; } }

JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked?

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)); } }

JAVA Constructors and Methods The finalize() method is called just prior to

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); }}

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 ) ; } }

JAVA Constructors and Methods
In which area of memory, the system stores parameters and local variables whenever a method is invoked?

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)); } }

JAVA Constructors and Methods
The finalize() method is called just prior to