Polishing

This commit is contained in:
Sam Brannen
2024-04-29 15:42:38 +03:00
parent 65f118bdec
commit 9b85c93b6b
3 changed files with 108 additions and 48 deletions
@@ -0,0 +1,50 @@
/*
* Copyright 2002-2024 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package example;
import java.util.HashMap;
import java.util.Map;
/**
* Type that can be indexed by the {@link Color} enum (i.e., something other
* than an int, Integer, or String) and whose indexed values are Strings.
*/
public class FruitMap {
private final Map<Color, String> map = new HashMap<>();
public FruitMap() {
this.map.put(Color.RED, "cherry");
this.map.put(Color.ORANGE, "orange");
this.map.put(Color.YELLOW, "banana");
this.map.put(Color.GREEN, "kiwi");
this.map.put(Color.BLUE, "blueberry");
// We don't map PURPLE so that we can test for an unsupported color.
}
public String getFruit(Color color) {
if (!this.map.containsKey(color)) {
throw new IllegalArgumentException("No fruit for color " + color);
}
return this.map.get(color);
}
public void setFruit(Color color, String fruit) {
this.map.put(color, fruit);
}
}