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  • java中Map和List初始化的两种方法

     1 //初始化List
     2 List<string> list = new ArrayList</string><string>();
     3 list.add("string1");
     4 list.add("string2");
     5 //some other list.add() code......
     6 list.add("stringN");
     7  
     8 //初始化Map
     9 Map<string object=""> map = new HashMap<string object="">();
    10 map.put("key1", "value1");
    11 map.put("key2", "value2");
    12 //.... some other map.put() code
    13 map.put("keyN", "valueN");
    14 </string></string></string>
     1 //初始化List
     2     List<string> list = new ArrayList<string>(){{
     3         add("string1");
     4         add("string2");
     5         //some other add() code......
     6         add("stringN");
     7     }};
     8  
     9     //初始化Map
    10     Map<string string=""> map = new HashMap<string object="">(){{
    11         put("key1", "value1");
    12         put("key2", "value2");
    13         //.... some other put() code
    14         put("keyN", "valueN");
    15     }};
    ArrayList<string> list = new ArrayList(Arrays.asList("Tom", "Jerry", "Mike"));
    List list = new ArrayList<string>(){{
        add("A");
        add("B");
    }}
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  • 原文地址:https://www.cnblogs.com/zl1991/p/5355749.html
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