Jul 03 2009

The Unary Operators

Category: Javaadmin @ 11:51 pm
+ 	Unary plus operator; indicates positive value (numbers are positive without this, however)
- 	Unary minus operator; negates an expression
++  	Increment operator; increments a value by 1
--    	Decrement operator; decrements a value by 1
!     	Logical complement operator; inverts the value of a boolean
    public class UnaryDemo
    {
    	public static void main (String[] args)
    	{
     
    	int x = 3;
    	System.out.println(x);
    	x=x+5 ;
    	System.out.println(x);
    	x++ ;
    	System.out.println(x);
    	--x ;
    	System.out.println(x);
    	boolean y = true ;
    	System.out.println(y);
    	System.out.println(!y);
    	}
     
    }

    Tags: ,


    Jul 01 2009

    Arithmetic Operators

    Category: Javaadmin @ 11:12 pm

    public class ArithmeticDemo
    {
    	public static void main (String[] args)
    	{
     
            int result = 1 + 2; // result is now 3
            System.out.println(result);
     
            result = result - 1; // result is now 2
            System.out.println(result);
     
            result = result * 2; // result is now 4
            System.out.println(result);
     
            result = result / 2; // result is now 2
            System.out.println(result);
     
            result = result + 8; // result is now 10
            System.out.println(result);
     
            result = result % 7; // result is now 3
            System.out.println(result);
     
    	}
    }

    Tags: ,


    Jun 28 2009

    Parameter passing

    Category: Javaadmin @ 7:43 am

    • Without Parameter passing

    class calculator {
     
    public static void main (String[] args)
     
    {
    int x = 3;
    int y = 5;
     
    int add = x + y;
    System.out.println(add);
    int mul = x * y;
    System.out.println(mul);
    }
    }
    class calculator {
    public static void main (String[] args)
     
    {
    System.out.println(11+12);
    System.out.println(30+50);
    System.out.println(2+3);
    System.out.println(60+2);
    System.out.println(11+35);
    System.out.println(37+50);
    System.out.println(52+3);
    System.out.println(20+2);
    }
    }

    • Parameter passing

    class calculator {
     
    public static void main (String[] args)
     
    {
    int no1 , no2 ;
    no1 = 3;
    no2 = 5;	
     
    addition (no1,no2);
    multiplication (no1,no2);
     
    }
     
    public static int addition(int x,int y)
     
    {
    int add = x + y;
    System.out.println(add);
    }
     
    public static int multiplication(int x,int y)
     
    {
    int mul = x * y;
    System.out.println(mul);
    }
     
    }
    class calculator {
    public static void main (String[] args)
     
    {
    add(11,12);
    add(30,50);
    add(2,3);
    add(60,2);
    add(11,35);
    add(37,50);
    add(52,3);
    add(20,2);
     
    }
     
    static void add(int x,int y){
    System.out.println(x+y);
    }
    }

    Tags: ,


    « Previous PageNext Page »