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
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++; }}

3

None of these

Compilation Error

1

2

3

None of these

Compilation Error

1

2

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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?

Storage Area

Heap

Array

Stack

Storage Area

Heap

Array

Stack

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JAVA Constructors and Methods
What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }}

Compilation Fails

None of these

Prints 7

Prints 10

Prints 0

Compilation Fails

None of these

Prints 7

Prints 10

Prints 0

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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);

A a = new B();

A a = new A(String s);

None of these

All of these

A a = new B(5);

A a = new B();

A a = new A(String s);

None of these

All of these

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

Before garbage collection.

None of these

An object or variable goes out of scope.

A variable goes out of scope.

An object, variable or method goes out of scope.

Before garbage collection.

None of these

An object or variable goes out of scope.

A variable goes out of scope.

An object, variable or method goes out of scope.

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

public Test(void)

Test( )

Test(void)

None of these

public Test( )

public Test(void)

Test( )

Test(void)

None of these

public Test( )

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JAVA Constructors and Methods

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

JAVA Constructors and Methods What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }}

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 The finalize() method is called just prior to

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

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

JAVA Constructors and Methods
What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }}

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
The finalize() method is called just prior to

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