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++; }}

None of these

Compilation Error

3

1

2

None of these

Compilation Error

3

1

2

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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()); }}

None of these

Prints 7

Compilation Fails

Prints 10

Prints 0

None of these

Prints 7

Compilation Fails

Prints 10

Prints 0

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

None of these

Test(void)

Test( )

public Test(void)

public Test( )

None of these

Test(void)

Test( )

public Test(void)

public Test( )

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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

3 and 4

2 and 4

1 and 2

1 and 3

3 and 4

2 and 4

1 and 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?

Stack

Array

Heap

Storage Area

Stack

Array

Heap

Storage Area

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JAVA Constructors and Methods
Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }}

0.5

1.0

10.0

0.0

0.5

1.0

10.0

0.0

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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 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 public class Test { }What is the prototype of the default constructor?

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 Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }}

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
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
public class Test { }What is the prototype of the default constructor?

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
Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }}