Question

JAVA中怎么用程序把记事本的属性改为只读

Answer 1

File file = new File("test.txt");
try {
file.createNewFile();
file.setReadOnly();

if (file.canWrite()) {
System.out.println("writable!");
} else {
System.out.println("read only!");
}
} catch (IOException e) {

e.printStackTrace();
}