Java建立一個text文字檔案,並對其進行讀寫操作
阿新 • • 發佈:2019-02-04
package test; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; public class Test2 { public static void main(String[] args) throws IOException{ String path = "e:\\test\\test\\test3.txt"; File file = new File(path); if(!file.exists()){ file.getParentFile().mkdirs(); } file.createNewFile(); // write FileWriter fw = new FileWriter(file, true); BufferedWriter bw = new BufferedWriter(fw); bw.write("xxxaffdf"); bw.flush(); bw.close(); fw.close(); // read FileReader fr = new FileReader(file); BufferedReader br = new BufferedReader(fr); String str = br.readLine(); System.out.println(str); } }