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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
Stack
Heap

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JAVA Constructors and Methods
What will be the return type of a method that not returns any value?

double
int
void
None of these

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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
Compile time error
None of these
2.0

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JAVA Constructors and Methods
The implicit return type of a constructor is

void
None of these
There is no return type.
A class object in which it is defined.

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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()); }}

Prints 7
Prints 0
Compilation Fails
None of these
Prints 10

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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);}}

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

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