Mini search interface Java

Design and implement a simple algorithm that searches a given set of documents based on the keywords/ query given. For example assume that there are 3 documents named Doc1, Doc2, Doc3 as below Doc1: This is the Open University. Doc2: The Open University is situated at Delhi. Doc3: I like this University. Here are the answers to some queries: Query 1: University Return: Doc1, Doc2, Doc3 Query2: Open AND University Return: Doc1, Doc2 Query 3: like OR Delhi Return: Doc2, Doc3 Please build a very simple interface for the search functionality in JAVA for the operators: AND OR LIKE CONTAINS. Use an example as you like. Use at least 6 documents. Assume that each document contain few sentences and these documents can be stored in a suitable data structure. When a query is made you have to display the documents that contain the keywords. Operators should also work correctly. Provide pseudo code and give block diagrams together with the toolkits info used. This is for an assignment please send all files required