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JAVA Constructors and Methods

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

Array
Storage Area
Heap
Stack

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JAVA Constructors and Methods
What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } }

0
2.0
Compile time error
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.
It can be accessed by every method or variable without any hindrance.
It can be executed without creating any instance of the class.
None of these

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

An object, variable or method goes out of scope.
An object or variable goes out of scope.
A variable goes out of scope.
None of these
Before garbage collection.

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JAVA Constructors and Methods
Determine Output:class A{public static void method(int i){System.out.print("Method 1");}public static int method(String str){System.out.print("Method 2");return 0;}}public class Test{ public static void main(String args[]){A.method(5);}}

Compile time error as final method can't be overloaded
None of these
Method 2
Method 1

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JAVA Constructors and Methods
Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result?

5 0
0 0
0 8
5 8

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