Question $15.$ Given the below Java method, are there any $($syntactical$,$ semantical, logical$)$ errors? What can be improved from the security$-$compliance perspective? If there are security$-$related issues, how can we fix them?

public final class A $\{$

private final int a;

public A$($int a$)\{$

this.a $=$ a;

$\}$

public void getA$()\{$ System.out.println$("("+$ a $+")")$;

$\}$

$\}$