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JAVA Constructors and Methods

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

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JAVA Constructors and Methods
public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor?

1 and 3
MyClass(){}
MyClass(void) {}
public MyClass(void){}
public MyClass(){}

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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
A B 5
None of these

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JAVA Constructors and Methods
What is Math.floor(3.6)?

4.0
3
4
3.0

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

Test(void)
None of these
Test( )
public Test( )
public Test(void)

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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
Array
Stack
Heap

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