第1个回答 推荐于2017-10-12
方式一:
File file1 = new File("D:/1.txt");
File file2 = new File("D:/2.txt");
if(file1.isFile() && file2.isFile()){
FileInputStream fis = new FileInputStream(file1);
FileOutputStream fos = new FileOutputStream(file2);
byte [] buffer = new byte[1024];
int len = 0;
while((len = fis.read(buffer)) != -1){
fos.write(buffer,0,len);
}
}
方式二:
File file1 = new File("D:/1.txt");
File file2 = new File("D:/2.txt");
if(file1.isFile() && file2.isFile()){
FileReader reader = new FileReader(file1);
FileWriter writer = new FileWriter(file2);
int len = 0;
while((len=reader.read()) != -1){
writer.write(len);
}
writer.flush();
}本回答被提问者和网友采纳