int, float, String type casting in java

// int, float, String type casting in java
public class Castingdatatypes
{

    public int a=10;
    public float b=10;
    public String b1="11";
    public float d1=1.1f;
    public int e1=13;
           
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Castingdatatypes obj1= new Castingdatatypes();
       
        obj1.casting();
    }
        public void casting()
        {
     float c;
     int d;
     float e;
     //parseInt is a method for String conversions
     c=Float.parseFloat(b1); // b1 is a String, we are converting it to float, nothing but
     d=Integer.parseInt(b1); //String to int conversion

     //e=(Integer)c;
     e = (float)d1; //cannot convert from float to int. But this is float to float conversion
     d1=(int)e1; //convert from int to float, is possible and now being converted.
     //c= Float.parseFloat(b1);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             (b1);
     System.out.println(c); //this outputs the float(String b1)
     System.out.println(d); //this outputs the Int(String b1)
     System.out.println(e); //this outputs the Int(float d1)
     System.out.println(d1);//this outputs the float(int d1)
        }
}