212). What is the process of defining two or more methods within same class that have same name but different parameters declaration?

[A]method overloading
[B]method overriding
[C]method hiding
[D]none of the mentioned

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213). Which of these can be overloaded?

[A]Methods
[B]Constructors
[C]All of the mentioned
[D]None of the mentioned

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214). Which of these is correct about passing an argument by call-by-value process?

[A]Copy of argument is made into the formal parameter of the subroutine
[B]Reference to original argument is passed to formal parameter of the subroutine
[C]Copy of argument is made into the formal parameter of the subroutine and changes made on parameters of subroutine have effect on original argument
[D]Reference to original argument is passed to formal parameter of the subroutine and changes made on parameters of subroutine have effect on original argument

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215). What is the process of defining a method in terms of itself, that is a method that calls itself?

[A]Polymorphism
[B]Abstraction
[C]Encapsulation
[D]Recursion

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216). What will be the output of the following Java code?
class San
{
 public void m1 (int i,float f)
 {
  System.out.println(" int float method");
 }
 
 public void m1(float f,int i);
  {
  System.out.println("float int method");
  }
 
  public static void main(String[]args)
  {
    San s=new San();
        s.m1(20,20);
  }
}

[A]int float method
[B]float int method
[C]compile time error
[D]run time error

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217). What will be the output of the following Java code?
    class overload 
    {
        int x;
 	int y;
        void add(int a) 
        {
            x =  a + 1;
        }
        void add(int a, int b)
        {
            x =  a + 2;
        }        
    }    
    class Overload_methods 
    {
        public static void main(String args[])
        {
            overload obj = new overload();   
            int a = 0;
            obj.add(6);
            System.out.println(obj.x);     
        }
   }

[A]5
[B]6
[C]7
[D]8

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218). What will be the output of the following Java code?
    class overload 
    {
        int x;
 	int y;
        void add(int a)
        {
            x =  a + 1;
        }
        void add(int a , int b)
        {
            x =  a + 2;
        }        
    }    
    class Overload_methods 
    {
        public static void main(String args[])
        {
            overload obj = new overload();   
            int a = 0;
            obj.add(6, 7);
            System.out.println(obj.x);     
        }
    }

[A]6
[B]7
[C]8
[D]9

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219). What will be the output of the following Java code?
   class overload 
   {
        int x;
 	double y;
        void add(int a , int b) 
        {
            x = a + b;
        }
        void add(double c , double d)
        {
            y = c + d;
        }
        overload() 
        {
            this.x = 0;
            this.y = 0;
        }        
    }    
    class Overload_methods 
    {
        public static void main(String args[])
        {
            overload obj = new overload();   
            int a = 2;
            double b = 3.2;
            obj.add(a, a);
            obj.add(b, b);
            System.out.println(obj.x + " " + obj.y);     
        }
   }

[A]6 6
[B] 6.4 6.4
[C]6.4 6
[D] 4 6.4

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220). What will be the output of the following Java code?
    class test 
    {
        int a;
        int b;
        void meth(int i , int j) 
        {
            i *= 2;
            j /= 2;
        }          
    }    
    class Output 
    {
        public static void main(String args[])
        {
            test obj = new test();
	    int a = 10;
            int b = 20;             
            obj.meth(a , b);
            System.out.println(a + " " + b);        
        } 
    }

[A] 10 20
[B]20 10
[C] 20 40
[D]40 20

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221). What will be the output of the following Java code?
    class test 
    {
        int a;
        int b;
        test(int i, int j) 
        {
            a = i;
            b = j;
        }
        void meth(test o) 
        {
            o.a *= 2;
            O.b /= 2;
        }          
    }    
    class Output 
    {
        public static void main(String args[])
        {
            test obj = new test(10 , 20);
            obj.meth(obj);
            System.out.println(obj.a + " " + obj.b);        
        } 
    }

[A] 10 20
[B]20 10
[C]20 40
[D]40 20

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