开发记录
集合
map
@RequestMapping(value = "get")
public Map<String, String> get(@RequestParam String name) {
Map<String, String> map = new HashMap<String, String>();
// Map<String, String> map = new HashMap<>();
map.put("name", name);
map.put("value", "hello world!");
return map;
}List
ArrayList<String> strList = new ArrayList<String>();java中对boolean的不同
String 类型的字符串不可变
@Override注解
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