437). Which of these class is a superclass of all other classes?

[A]Math
[B]Process
[C]System
[D]Object

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438). Which of these method of Object class can generate duplicate copy of the object on which it is called?

[A]clone()
[B]copy()
[C]duplicate()
[D]dito()

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439). What is the value of double consonant ‘E’ defined in Math class?

[A]approximately 3
[B]approximately 3.14
[C]approximately 2.72
[D] approximately 0

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440). Which of these method is a rounding function of Math class?

[A]max()
[B] min()
[C]abs()
[D]all of the mentioned

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441). Which of these class contains only floating point functions?

[A]Math
[B]Process
[C]System
[D]Object

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442). Which of these class encapsulate the runtime state of an object or an interface?

[A]Class
[B]Object
[C]Runtime
[D]System

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443). What is the value of “d” in the following Java code snippet?
double d = Math.round ( 2.5 + Math.random() );

[A]2
[B]3
[C]4
[D]2.5

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444). What will be the output of the following Java program?
    class Output 
    {
         public static void main(String args[]) 
         {
             int x = 3.14;  
             int y = (int) Math.abs(x);
             System.out.print(y);
         }
    }

[A]0
[B]3
[C]3.0
[D]3.1

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445). What will be the output of the following Java program?
   class Output 
    {
         public static void main(String args[]) 
        {
            double x = 3.1;  
            double y = 4.5;
            double z = Math.max( x, y );
            System.out.print(z);
        }
    }

[A]true
[B]flase
[C]3.1
[D]4.5

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446). What will be the output of the following Java program?
    class Output 
    {
         public static void main(String args[]) 
        {
            double x = 2.0;  
            double y = 3.0;
            double z = Math.pow( x, y );
            System.out.print(z);
        }
    }

[A]2.0
[B]4.0
[C]8.0
[D]9.0

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