Dataflow laundering

DataFlowLaunder.java

/**
 * A toy example of laundering data through "implicit dataflow paths"
 * The launder method uses the input data to reconstruct a new result
 * with the same value as the original input.
 * 
 * @author Ben Holland
 */
public class DataflowLaunder {

	public static void main(String[] args) {
		String x = "1010";
		String y = launder(x);
		System.out.println(y + " is a laundered version of " + x);
	}

	public static String launder(String data){
	   String result = "";
	   for(char c : data.toCharArray()){
	     if(c == '0')
	        result += '0';
	     else 
	        result += '1';
	   }
	   return result;
	}
	
}