import java.lang.*;
class change 
{
public static void main(String args[])
     {
     float fvar=0.5598f;
     long lvar;
     int tvar=1345655;
     byte bvar=56;
     System.out.println("The content of the variable is "+((Float)fvar).getClass().getName());
    
     System.out.println("The change value is "+tvar);
     String svar="123456";
     tvar=Integer.parseInt(svar);
     System.out.println("The value of tvar is " +tvar);
     System.out.println(svar.getClass().getName());
     String svar2=String.valueOf(tvar);
     System.out.println(svar.getClass().getName());
     System.out.println(svar2);
     char cvar='A';
     System.out.println("The type of cvar is "+((Character)cvar).getClass().getName());
     tvar=cvar;
     System.out.println(tvar);
     tvar=cvar+1;
     System.out.println(((Integer)tvar).intValue());
     Integer intvar=Integer.valueOf(tvar);
     System.out.println(intvar.intValue());
     System.out.println(intvar.shortValue());
     System.out.println((Integer.toString(intvar.MAX_VALUE)).length());
     int [] arr={1 ,2,3,4,5,6,7,8,9};
     for(int ii=0 ;ii<arr.length;ii++)
     System.out.print(arr[ii]+"  ");
     System.out.println();
     System.out.println("The type of this array is "+arr.getClass().getName());
     for (int i=1;i<=9;i++)
     {
     	System.out.println("i ="+i);
      for(int j=1;j<=9;j++)
         {System.out.print(i+"*"+j+"="+i*j+"  ");
         }
      System.out.println();
     }
     int i=11;
     System.out.println(i);
      i=0;
     int sum=0;
     while(i<=100)
     {
     sum+=i;
     ++i;
     }
     System.out.println("The sum of 100 is "+sum+"  and  the current number is "+i);
    
    sum=0;
    i=0;
   do
   {
   sum+=i;
   i++;
   }while(i<=100);
  System.out.println("The sum of 100 is "+sum+"  and  the current number is "+i); 
    int max=95;
    switch((int)(max/10))
    {
    
    case 9 :System.out.println("A Level");
    break;
    case 8 : System.out.println("B Level");
    break;
    default:
    System.out.println("Wrong Input");
    break;
    }
  }
}