Main.java Source code

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Here is the source code for Main.java

Source

public class Main extends SecurityManager {

    // checkExit needs to be overriden.
    @Override
    public void checkExit(int status) {
        throw new SecurityException("Not allowed.");
    }

    public static void main(String[] args) {
        System.setProperty("java.security.policy", "file:/C:/java.policy");

        SecurityManager sm = new Main();

        System.setSecurityManager(sm);

        // perform the check
        sm.checkExit(5);
        System.out.println("Allowed!");
    }
}