class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }}

JAVA Constructors and Methods
class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }}

two one one

one Exception

None of these

one one two

Compilation Error

two one one

one Exception

None of these

one one two

Compilation Error

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JAVA Constructors and Methods
Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }}

Compilation Error

3

2

None of these

1

Compilation Error

3

2

None of these

1

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JAVA Constructors and Methods
The variables declared in a class for the use of all methods of the class are called

instance variables

reference variables

objects

None of these

instance variables

reference variables

objects

None of these

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JAVA Constructors and Methods
The main method should be static for the reason

It can be accessed easily by the class loader.

None of these

It can be executed without creating any instance of the class.

It can be accessed by every method or variable without any hindrance.

It can be accessed easily by the class loader.

None of these

It can be executed without creating any instance of the class.

It can be accessed by every method or variable without any hindrance.

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

Test(void)

None of these

public Test( )

public Test(void)

Test( )

Test(void)

None of these

public Test( )

public Test(void)

Test( )

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JAVA Constructors and Methods
class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ?

A a = new B(5);

None of these

A a = new B();

A a = new A(String s);

All of these

A a = new B(5);

None of these

A a = new B();

A a = new A(String s);

All of these

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JAVA Constructors and Methods

JAVA Constructors and Methods class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }}

JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }}

JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called

JAVA Constructors and Methods The main method should be static for the reason

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

JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ?

JAVA Constructors and Methods
class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }}

JAVA Constructors and Methods
Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }}

JAVA Constructors and Methods
The variables declared in a class for the use of all methods of the class are called

JAVA Constructors and Methods
The main method should be static for the reason

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

JAVA Constructors and Methods
class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ?