import java.io.File; public class tests { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub File f1 = new File("c:/file_test/1.txt"); File f2 = new File("c:/file_test/"); if(f1.exists()) { boolean deleteFlag = f1.delete(); if(deleteFlag) System.out.println("파일삭제 성공함"); else System.out.println("파일 삭제 실패함"); }else{ System...