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Java file read & write

2015-11-11 06:34 591 查看
1. read

public static void readfile(String filepath) {
BufferedReader br = null;

try {

String sCurrentLine;

br = new BufferedReader(new FileReader(filepath));

while ((sCurrentLine = br.readLine()) != null) {
System.out.println(sCurrentLine);
}

} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (br != null)
br.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}


2. write

public static void writefile(String filepath) {
try {

String content = "This is the content to write into file asndfsa";

File file = new File(filepath);

// if file doesnt exists, then create it
if (!file.exists()) {
file.createNewFile();
}

FileWriter fw = new FileWriter(file.getAbsoluteFile());
BufferedWriter bw = new BufferedWriter(fw);
bw.write(content);
bw.close();

System.out.println("Done");

} catch (IOException e) {
e.printStackTrace();
}
}
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