import java.io.*; class FileReadTest {
public static void main (String[] args) {
FileReadTest t = new FileReadTest();
t.readMyFile();
} void readMyFile() {
String record = null;
int recCount = 0;
try {
FileReader fr = new FileReader("1.txt");
BufferedReader br = new BufferedReader(fr);
record = new String();
while ((record = br.readLine()) != null) {
recCount++;
System.out.println(recCount + ": " + record);
}
br.close();
fr.close();
} catch (IOException e) {
System.out.println("Uh oh, got an IOException error!");
e.printStackTrace();
}
} }
public static void main (String[] args) {
FileReadTest t = new FileReadTest();
t.readMyFile();
} void readMyFile() {
String record = null;
int recCount = 0;
try {
FileReader fr = new FileReader("1.txt");
BufferedReader br = new BufferedReader(fr);
record = new String();
while ((record = br.readLine()) != null) {
recCount++;
System.out.println(recCount + ": " + record);
}
br.close();
fr.close();
} catch (IOException e) {
System.out.println("Uh oh, got an IOException error!");
e.printStackTrace();
}
} }
BufferedReader inbr = new BufferedReader(new InputStreamReader(in));
jtxt1.setText(in.readLine().trim());
jtxt1.setText(in.readLine().trim());
jtxt1.setText(in.readLine().trim());
in.close();
for(;;)
{ String s = raf.readLine().trim();
if(s==null) break;
else // add to do
}
readLine();
}
循环读,判断一下结束条件