//字节流
import java.io.*
;
public class testchaer {
public static void main(String args[]) {
FileReader fr=
null;
FileWriter fw=
null;
try {
fr=
new FileReader("C:/Users/Administrator/Desktop/xuexi/jiankongjiao.py"
);
fw=
new FileWriter("C:/Users/Administrator/Desktop/xuexi/xuexi11.txt"
);
char [] buffer=
new char[100
];
while (
true) {
int tem=fr.read(buffer, 0
, buffer.length);
if (tem==-1
){
break;
}
fw.write(buffer,0
,tem);
}
} catch (Exception e) {
System.out.println(e);
}
finally {
try {
fr.close();
fw.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
}
}
//字符流
import java.io.*
;
public class inpur {
public static void main(String args[]) {
FileInputStream fis=
null;
FileOutputStream fos=
null;
try{
fis=
new FileInputStream("C:/Users/Administrator/Desktop/xuexi/jiankongjiao.py"
);
fos=
new FileOutputStream("C:/Users/Administrator/Desktop/xuexi/xuexi2.txt"
);
byte [] buffer=
new byte[100
];
while (
true){
int temp=fis.read(buffer,0
,buffer.length);
if(temp==-1
){
break;
}
fos.write(buffer,0
,temp);
String stri=
new String(buffer);
//调用string对象的tim方法，将会将string的收尾的空格和空字符串
stri=
stri.trim();
System.out.println(stri);
}
}
catch (Exception e) {
// TODO: handle exception
System.out.println(e);
}
finally{
try {
fis.close();
fos.close();
} catch (Exception e) {
System.out.println(e);
}
}
}
}
一行一行的读了，
package ifwh;
import java.io.*
;
public class teatsjaa {
public static void main(String agrs[]) {
FileReader fileReader=
null;
BufferedReader bufferedWriter=
null;
try {
fileReader=
new FileReader("C:/Users/Administrator/Desktop/xuexi/jiankongjiao.py"
);
bufferedWriter =
new BufferedReader(fileReader);
String line=
null;
while (
true) {
line=
bufferedWriter.readLine();
if (line==
null){
break;
}
System.out.println(line);
}
} catch (Exception e) {
// TODO: handle exception
System.out.println(e);
}finally {
try {
fileReader.close();
bufferedWriter.close();
} catch (Exception e2) {
// TODO: handle exception
System.out.println(e2);
}
}
}
}
转载于:https://www.cnblogs.com/leiziv5/p/7898527.html
