Java Program on Array

Program 1

package dataflair;

class Abc
{
    
}
public class TestMain 
{
      
    public static void main(String[] args) 
    {
//           int ar[]=new int[5];
             int i;
//           ar[0]=100;
//           ar[1]=200;
//           ar[2]=300;
//           ar[3]=400;
//           ar[4]=500;
           
              int ar1[]={10,20,30,40,50};      
              char ar2[]={'a','b','c'};
              float ar3[]={10.4f,12.3f,45.6f,};
              String s[]={"one","two","three"};
              Abc A=new Abc();
              System.out.println("Integer array class name: "+ ar1.getClass().getName());
              System.out.println("Char array class name: "+ ar2.getClass().getName());
              System.out.println("float array class name: "+ ar3.getClass().getName());
              System.out.println("string array class name: "+ s.getClass().getName());
              System.out.println("user define  class name: "+ A.getClass().getName());
//           for(i=0;i<5;i++)
//               System.out.println(ar[i]);
//                int ar1[]={10,20,30,40,50};      
//                System.out.println("Length of Array: "+ar1.length);
//                for(i=0;i<ar1.length;i++)
//                {
//                    System.out.println(ar1[i]);
//                }
//             
           
    }
    
}