IT/java (3) 썸네일형 리스트형 java UUID UUID uuid = new UUID(sequence, idLong); System.out.println(uuid); 파일 입출력 - 입력 File fileNm = new File("/Users/yujinyi/Downloads/test.txt"); FileInputStream fis = null; BufferedReader br = null; InputStreamReader isr = null; String temp = ""; String content = ""; try { fis = new FileInputStream(fileNm); isr = new InputStreamReader(fis); br = new BufferedReader(isr); while((temp = br.readLine()) != null){ content += temp + "\n"; } System.out.println(content); }catch (Excepti.. java 파일입출력 엑셀파일입출력 //http://hyeonstorage.tistory.com/236 요기 참고함 !package test; import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream; public class FileInOut { public static void main(String[] args) throws Exception {FileInputStream fis = null;FileOutputStream fos = null;File file = new File("C:/엑셀파일.xlsx");try {fis = new FileInputStream(file);fos = new FileOutputStream("C:/" + file.get.. 이전 1 다음