import javax.swing.JOptionPane;
public class StringInfo

{

	public String sCompare = "somerandom2string3withdigits";

	public StringInfo(){
	preDigit();
	JOptionPane.showMessageDialog (null,    "preDigit: " + sCompare);



	}

	public int lastIndexOf(char given){

		int index = -1;
		for (int i=0; i<sCompare.length(); i++) {
		  char ch = sCompare.charAt(i);

		  if(ch == given){
			index = i;
		  }


		}
		return index;


	}

	public void preDigit(){


		for (int i=1; i<=sCompare.length(); i++) {
		  char ch = sCompare.charAt(i);

		  if(Character.isDigit(ch)){

			sCompare = sCompare.substring(0, i);
			break;
		  }



		}

	}



}