Iterative Statements

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.println("Enter numbers :");
      int s=0, a;
      do{
          a=stdin.nextInt( );
          s=s+a;
        }while(a!=0);
      System.out.println("Sum is "+s);
    }
  }      
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.println("Enter numbers :");
      int s=0,a;
    do{
        a=stdin.nextInt();
        if(a%2==0)
          s=s+a;
    }while(a!=0);
    System.out.println("Sum of even is "+s);
    }
  }      
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.println("Enter numbers :");
      int s=0, a;
      do{
          a=stdin.nextInt();
          if(a>0)
            c=c+1;
      }while(a!=0);
      System.out.println(“Total positive nos is “+c);
    }
  }      
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.println("Enter numbers :");
      int c1=0, c2=0, a;
      do{
        a=stdin.nextInt();
        if(a>0)
          c1=c1+1;
        if(a⁢0)
          c2=c2+1;
      }while(a!=0);
      System.out.println("Total positive numbers are "+c1);
      System.out.println("Total negative numbers are "+c2);
    }
  }