Java File.setWritable(boolean writable)方法

Java Java File.setWritable(boolean writable)方法具有以下語法。

public boolean setWritable(boolean writable)

範例

在下面的程式碼顯示如何使用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);

  }
}

上面的程式碼生成以下結果。

setWritable() succeeded?: true
Is file writable?: true