if ("get".equals(op)) {
display(key, cache.get(key));
} else if ("getCacheEntry".equals(op)) {
display(key, cache.getCacheEntry(key));
} else if ("peek".equals(op)) {
display(key, cache.peek(key));
} else if ("remove".equals(op)) {
display(key, cache.remove(key));
} else if ("size".equals(op)) {
display("Size: ", cache.size());
}