Main.java Source code

Introduction

Here is the source code for Main.java

Source

public class Main {
    public static void main(String[] argv) throws Exception {
        System.setProperty("java.version", "data");

        try {
            SecurityManager sm = new SecurityManager();
            System.setSecurityManager(sm);
        } catch (SecurityException se) {
            se.printStackTrace();
        }

        // no longer possible; an AccessControlException is thrown
        System.setProperty("java.version", "malicious data");
    }
}
/*Exception in thread "main" java.security.AccessControlException: access denied (java.util.PropertyPermission java.version write)
  at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
  at java.security.AccessController.checkPermission(AccessController.java:546)
  at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
  at java.lang.System.setProperty(System.java:727)
  at Main.main(Main.java:13)
*/