搜索上次发生的Java示例

public class SearchlastString {

   public static void main(String[] args) {

      String strOrig = "Hello world ,Hello Reader";

      int lastIndex = strOrig.lastIndexOf("Hello");



      if(lastIndex == - 1){

         System.out.println("Hello not found");

      } else {

         System.out.println("Last occurrence of Hello is at index "+ lastIndex);

      }

   }

}