package innovimax.mixthem.operation;

interface ILineOperation implements IOperation {
	public String process(String line1, String line2);
}

@@ -60,17 +60,14 @@
 ion 
-implement
+extend
 s IO
@@ -82,15 +82,8 @@
  %7B%0A%09
-public 
 Stri

Update ILineOperation.java