Java Java File.setWritable(boolean writable)
方法具有以下语法。
public boolean setWritable(boolean writable)
示例
在下面的代码显示如何使用File.setWritable(boolean writable)
方法。
import java.io.File;
public class Main {
public static void main(String[] args) {
File f = new File("test.txt");
boolean bool = f.setWritable(true);
System.out.println("setWritable() succeeded?: " + bool);
bool = f.canWrite();
System.out.print("Is file writable?: " + bool);
}
}
上面的代码生成以下结果。
setWritable() succeeded?: true
Is file writable?: true