禁用当前线程的Java反射

public class NoReflectionSecurityManager extends SecurityManager {
    @Override
    public void checkPermission(Permission perm) {
        if (perm.getName().startsWith("suppressAccessChecks")) {
            return;
        }
        super.checkPermission(perm);
    }
}

public class NoReflectionExample {
    public static void main(String[] args) {
        System.setSecurityManager(new NoReflectionSecurityManager());
        try {
            Class<?> c = Class.forName("java.lang.String");
            System.out.println("Class: " + c);
        } catch (ClassNotFoundException e) {
            System.out.println("Class not found: " + e.getMessage());
        } catch (SecurityException e) {
            System.out.println("Reflection is disabled: " + e.getMessage());
        }
    }
}