class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}}

JAVA Constructors and Methods
class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}}

Compilation succeed but no output.

One

Compilation fails due to an error on line 1

Compilation fails due to an error on line 2

Compilation succeed but no output.

One

Compilation fails due to an error on line 1

Compilation fails due to an error on line 2

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JAVA Constructors and Methods
What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }}

A 5 B 8

A B 8

B 8 A 5

None of these

A B 5

A 5 B 8

A B 8

B 8 A 5

None of these

A B 5

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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.

3 and 4

1 and 2

1 and 3

2 and 4

3 and 4

1 and 2

1 and 3

2 and 4

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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

None of these

3

1

2

Compilation Error

None of these

3

1

2

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

None of these

An object or variable goes out of scope.

An object, variable or method goes out of scope.

Before garbage collection.

A variable goes out of scope.

None of these

An object or variable goes out of scope.

An object, variable or method goes out of scope.

Before garbage collection.

A variable goes out of scope.

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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( ) ) ) ; }}

10.0

0.0

1.0

0.5

10.0

0.0

1.0

0.5

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JAVA Constructors and Methods

JAVA Constructors and Methods class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}}

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 finalize() method is called just prior to

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
class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}}

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 finalize() method is called just prior to

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( ) ) ) ; }}