What happens if the following program is compiled and executed?interface MyInterface{ void display();}interface MySubInterface extends MyInterface{ void display();}public class Test implements MySubInterface{ public void display(){ System.out.print("Welcome to Examveda."); } public static void main(String args[]){ Test t = new Test(); t.display(); }}

JAVA Interfaces and Abstract Classes
What happens if the following program is compiled and executed?interface MyInterface{ void display();}interface MySubInterface extends MyInterface{ void display();}public class Test implements MySubInterface{ public void display(){ System.out.print("Welcome to Examveda."); } public static void main(String args[]){ Test t = new Test(); t.display(); }}

The code will compile and execute successfully showing the output Welcome to Examians.

None of these

The code will lead to a compilation error as declaration of the display method has been provided in two interface.

The code will lead to a compilation error due to public modifier while declaring the display method.

The code will lead to a compilation error as the display method is not declared as abstract.

The code will compile and execute successfully showing the output Welcome to Examians.

None of these

The code will lead to a compilation error as declaration of the display method has been provided in two interface.

The code will lead to a compilation error due to public modifier while declaring the display method.

The code will lead to a compilation error as the display method is not declared as abstract.

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JAVA Interfaces and Abstract Classes
What will be the output for the below code ?public interface TestInf{ int i =10;}public class Test{ public static void main(String... args){ TestInf.i=12; System.out.println(TestInf.i); }}

Runtime Exception

Compile with error

12

None of these

10

Runtime Exception

Compile with error

12

None of these

10

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JAVA Interfaces and Abstract Classes
Which of the following declares an abstract method in an abstract Java class?

public abstract void method();

public abstract method();

public void method() {}

public abstract void method() {}

public void abstract Method();

public abstract void method();

public abstract method();

public void method() {}

public abstract void method() {}

public void abstract Method();

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JAVA Interfaces and Abstract Classes
Which of the following class definitions defines a legal abstract class?

class A { abstract void unfinished() { } }

class A { abstract void unfinished(); }

public class abstract A { abstract void unfinished(); }

abstract class A { abstract void unfinished(); }

class A { abstract void unfinished() { } }

class A { abstract void unfinished(); }

public class abstract A { abstract void unfinished(); }

abstract class A { abstract void unfinished(); }

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JAVA Interfaces and Abstract Classes
interface Test{ int p = 10; //line 1 public int q = 20; //line 2 public static int r = 30; //line 3 public static final int s = 40; //line 4}Which of the above line will give compilation error?

1

3

2

4

None of these

1

3

2

4

None of these

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JAVA Interfaces and Abstract Classes
What will be the output?1. public interface InfA{2. protected String getName();3. }public class Test implements InfA{ public String getName(){ return "test-name"; } public static void main (String[] args){ Test t = new Test(); System.out.println(t.getName()); }}

Compilation fails due to an error on lines 2

test-name

None of these

Compilation fails due to an error on lines 1

Compilation succeed but Runtime Exception

Compilation fails due to an error on lines 2

test-name

None of these

Compilation fails due to an error on lines 1

Compilation succeed but Runtime Exception

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JAVA Interfaces and Abstract Classes

JAVA Interfaces and Abstract Classes What will be the output for the below code ?public interface TestInf{ int i =10;}public class Test{ public static void main(String... args){ TestInf.i=12; System.out.println(TestInf.i); }}

JAVA Interfaces and Abstract Classes Which of the following declares an abstract method in an abstract Java class?

JAVA Interfaces and Abstract Classes Which of the following class definitions defines a legal abstract class?

JAVA Interfaces and Abstract Classes interface Test{ int p = 10; //line 1 public int q = 20; //line 2 public static int r = 30; //line 3 public static final int s = 40; //line 4}Which of the above line will give compilation error?

JAVA Interfaces and Abstract Classes What will be the output?1. public interface InfA{2. protected String getName();3. }public class Test implements InfA{ public String getName(){ return "test-name"; } public static void main (String[] args){ Test t = new Test(); System.out.println(t.getName()); }}

JAVA Interfaces and Abstract Classes
What will be the output for the below code ?public interface TestInf{ int i =10;}public class Test{ public static void main(String... args){ TestInf.i=12; System.out.println(TestInf.i); }}

JAVA Interfaces and Abstract Classes
Which of the following declares an abstract method in an abstract Java class?

JAVA Interfaces and Abstract Classes
Which of the following class definitions defines a legal abstract class?

JAVA Interfaces and Abstract Classes
interface Test{ int p = 10; //line 1 public int q = 20; //line 2 public static int r = 30; //line 3 public static final int s = 40; //line 4}Which of the above line will give compilation error?

JAVA Interfaces and Abstract Classes
What will be the output?1. public interface InfA{2. protected String getName();3. }public class Test implements InfA{ public String getName(){ return "test-name"; } public static void main (String[] args){ Test t = new Test(); System.out.println(t.getName()); }}