Java SecurityManager .checkWrite (FileDescriptor fd)
Syntax
SecurityManager.checkWrite(FileDescriptor fd) has the following syntax.
public void checkWrite(FileDescriptor fd)
Example
In the following code shows how to use SecurityManager.checkWrite(FileDescriptor fd) method.
//ww w . j a va2 s. c o m
import java.io.FileDescriptor;
public class Main extends SecurityManager {
public static void main(String[] args) {
System.setProperty("java.security.policy", "file:/C:/java.policy");
Main sm = new Main();
System.setSecurityManager(sm);
FileDescriptor fd=new FileDescriptor();
sm.checkWrite(fd);
System.out.println("Allowed!");
}
}