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}}

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 1, constructor Tester must be marked public like its class

At line 2, constructor call

At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor

At line 4

At line 1, constructor Tester must be marked public like its class

At line 2, constructor call

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);}}

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 final

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 final

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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

The sum of x and y is 9

does not compile

None of these

The sum of x and y is 45

The sum of x and y is 9

does not compile

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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 ) ; } }

2.0

0

Compile time error

None of these

2.0

0

Compile time error

None of these

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JAVA Constructors and Methods
What is Math.floor(3.6)?

4

3.0

3

4.0

4

3.0

3

4.0

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JAVA Constructors and Methods
public class Test { }What is the prototype of the default constructor?

None of these

Test( )

public Test( )

Test(void)

public Test(void)

None of these

Test( )

public Test( )

Test(void)

public Test(void)

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JAVA Constructors and Methods

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}}

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);}}

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 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 What is Math.floor(3.6)?

JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor?

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}}

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);}}

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
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
What is Math.floor(3.6)?

JAVA Constructors and Methods
public class Test { }What is the prototype of the default constructor?