Java SecurityManager .checkPermission (Permission perm)
Syntax
SecurityManager.checkPermission(Permission perm) has the following syntax.
public void checkPermission(Permission perm)
Example
In the following code shows how to use SecurityManager.checkPermission(Permission perm) method.
//from www . j av a 2 s.c om
import java.io.FilePermission;
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);
sm.checkPermission(new FilePermission("test.txt", "read,write"));
System.out.println("Allowed!");
}
}