java中Map和List初始化的两种方法

//初始化List
List<string> list = new ArrayList</string><string>();
list.add("string1");
list.add("string2");
//some other list.add() code......
list.add("stringN");

//初始化Map
Map<string object=""> map = new HashMap<string object="">();
map.put("key1", "value1");
map.put("key2", "value2");
//.... some other map.put() code
map.put("keyN", "valueN");
</string></string></string>

//初始化List
List<string> list = new ArrayList<string>(){{
add("string1");
add("string2");
//some other add() code......
add("stringN");
}};

//初始化Map
Map<string string=""> map = new HashMap<string object="">(){{
put("key1", "value1");
put("key2", "value2");
//.... some other put() code
put("keyN", "valueN");
}};

ArrayList<string> list = new ArrayList(Arrays.asList("Tom", "Jerry", "Mike"));

List list = new ArrayList<string>(){{
add("A");
add("B");
}}