some java programs part 1

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##1##
Write a program to determine whether a number is odd or even.

/* Time: 5.10pm
 * author: Anik
 * Question:Write a program to determine whether a number is odd or even.*/
import java.util.Scanner;
public class Faraz1{
  public static void main (String [] args){
    Scanner input = new Scanner (System.in);
    System.out.println("Enter your number");
    int n=0;
    n = input.nextInt();
    if (n%2==0){
     System.out.println("THE NUMBER IS EVEN");
    }else{
     System.out.println("THE NIMBER IS ODD");
    }
  }
}

##2##Write a program that takes three numbers input from the user and find the maximum and the minimum?

/*Time: 5.20pm
 * Author: Anik Das
 * Question:Write a program that takes three numbers input from the user
 * and find the maximum and the minimum?*/
import java.util.Scanner;
public class Faraz2{
  public static void main (String [] args){
   Scanner input = new Scanner(System.in);
   int a=0, max=0, min=0, c=1, d=2;
   System.out.println("Please enter number 1");
   a= input.nextInt();
   max=a;
   min=a;
   while (c<=2){
     System.out.println("Please enter number "+d);
     a= input.nextInt();
     if (a>=max){
       max=a;
       c=c+1;
       d=d+1;
     }else{
         if (a<=min){
           min=a;
           c=c+1;
           d=d+1;
         }else{
           c=c+1;
           d=d+1;
         }
      }
   }
   System.out.println("MAX : "+max);
   System.out.println("MIN : "+min);
  }
}

##3##. Write a program that takes five number input from user and determine their addition and average.

/*time: 5:37pm
 * author: Anik das
 * question: Write a program that takes five number input from user
 * and determine their addition and average.*/
import java.util.Scanner;
public class Faraz3{
  public static void main (String [] args){
    Scanner input = new Scanner(System.in);
    int a=0, c=1, sum=0, avg=0;
    while (c<=5){
    System.out.println("Enter Number "+c);
    a = input.nextInt();
    sum = sum+a;
    c=c+1;
    }
    avg=sum/5;
    System.out.println("ADDITION : "+sum);
    System.out.println("AVERAGE : "+avg);
  }
}

##4##Write a program that finds CGPA given credits and grade of n courses where n is the user input.

/* Time: 11.46
 * date: 11-02-2011
 * Author: Anik Das
 *question: Write a program that takes five number input from
 * user and determine their addition and average.*/
import java.util.Scanner;
  public class Faraz4 {
 public static void main (String [] args) {
   Scanner input = new Scanner (System.in);
  int c, cr, tcr;
  double gr, qp, tqp, gpa;
  c=1;
  tqp=0;
  cr=0;
  gr=0;
  gpa=0.0;
  tcr=0;
  int n=0;
  System.out.println("Enter Number of courses(n)");
  n=input.nextInt();
  while (c<=n)
  {System.out.println("Enter Number of credits for course No. "+c);
     cr = input.nextInt();
     System.out.println("Enter Grade for course "+c);
     gr = input.nextDouble();
     qp = cr * gr;
     tqp = tqp + qp;
     tcr = tcr +cr;
     c = c + 1;
     }
  gpa = (tqp/tcr);
  System.out.println("Your GPA for Four courses is: " + gpa);
 }
}

##5## Write a program for finding area of a rectangle given height and width.

/* time: 5.54pm
 * author: Anik Das
 * question: Write a program for finding area of a rectangle given height and width.*/
import java.util.Scanner;
public class Faraz5{
  public static void main (String [] args){
    Scanner input= new Scanner (System.in);
    double w, h, area;
    System.out.println("enter Width");
    w= input.nextDouble();
    System.out.println("enter Height");
    h= input.nextDouble();
    area= w*h;
    System.out.println("Area of the Rectangle is "+area);
  }
}