20. (15 points) Circle VALID (i.e., no error) or INVALID (1.e., error). Please answer the questions based upon the UMLs as well as the contents/codes we have discussed in class up to now. ListArrayBased lab = new ListArrayBased: VALID / INVALID VALID / INVALID VALID / INVALID VALID / INVALID ListReference Based Irb = new List Reference Based: ListArrayBased lab = new List ReferenceBased(); ListReference Based lab = new ListArrayBased; Object obj = new ListArrayBased(); Object obj = new ListReferenceBased(): Object obj = new Integer(); Object obj = new Queue ArrayBased(); VALID / INVALID VALID / INVALID VALID / INVALID VALID / INVALID ListArrayBased lab = new Object(); VALID / INVALID ListReference Based Irb = new Object: VALID / INVALID QueueArrayBased qrb = new QueueArrayBasedo: VALID / INVALID QueueReferenceBased qlb = new QueueReference Basedo: VALID / INVALID ListInterface li - new ListInterface: VALID / INVALID ListInterface li = new ListArrayBased(); VALID / INVALID ListInterface li -new ListReferenceBased; VALID / INVALID Page 15 of 1