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JAVA Constructors and Methods

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

4.0
4
3.0
3

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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 2
Method 1

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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 0
Compilation Fails
Prints 10
Prints 7
None of these

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JAVA Constructors and Methods
Which of the following options is the best for generating random integer 0 or 1?

(int)Math.random()
(int)(Math.random() + 0.2)
(int)(Math.random() + 0.5)
(int)Math.random() + 1

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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?

Heap
Array
Storage Area
Stack

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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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