Method getMiddle2

spotbugsTestCases/src/java/NPIncomplete.java:13–15

(String a)

    }

    public String getMiddle2(String a) {
        return a.substring(0 + a.length() / 2, 0 + a.length() / 2);
    }

    public int deREFERENCER(String a) {
        return a.hashCode();