Question.java

package Q9_05_Cache;

public class Question {
	
	public static String[] generateResults(int i) {
		String[] results =  {"resultA" + i, "resultB" + i, "resultC" + i};
		return results;
	}
	
	public static void main(String[] args) {
		Cache cache = new Cache();
		for (int i = 0; i < 20; i++) {
			String query = "query" + i;
			cache.insertResults(query, generateResults(i));
			if (i == 9 || i == 16 || i == 19) {
				cache.getResults("query" + 2);
				cache.getResults("query" + 6);
				cache.getResults("query" + 9);
			}
		}
		
		for (int i = 0; i < 30; i++) {
			String query = "query" + i;
			String[] results = cache.getResults(query);
			System.out.print(query + ": ");
			if (results == null) {
				System.out.print("null");
			} else {
				for (String s : results) {
					System.out.print(s + ", ");
				}
			}
			System.out.println("");
		}		
	}
}