SimpleCollection.java

import org.checkerframework.checker.index.qual.*;

class SimpleCollection {
    private int[] values;

    @IndexOrHigh("values") int size() {
        return values.length;
    }

    void interact_with_other(SimpleCollection other) {
        int[] othervalues = other.values;
        int @SameLen("other.values") [] x = othervalues;
        for (int i = 0; i < other.size(); i++) {
            int k = othervalues[i];
        }
        for (int j = 0; j < other.size(); j++) {
            int k = other.values[j];
        }
    }
}