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public static void main(String[] args) {
Map<String, String> map = new HashMap<>();
map.put("name1", "刘德华");
map.put("name2", "黎明");
map.put("name3", "张学友");
map.put("name4", "郭富城");
System.out.println("-----------------Map中按key移除值------------------------");
System.out.println(map);
for (String s : map.keySet()) {
if (s == "name1") {
map.remove("name1");
}
}
System.out.println(map);
System.out.println("-----------------Map中按value移除值------------------------");
Map<String, String> map1 = new HashMap<>();
map1.put("name1", "刘德华");
map1.put("name2", "黎明");
map1.put("name3", "张学友");
map1.put("name4", "郭富城");
System.out.println(map1);
Collection<String> collect = map1.values();
if (collect.contains("张学友") == true) {
collect.remove("张学友");
}
System.out.println(map1);
}
