我有以下程序,它解析JSON並形成一個ArrayList,如圖所示。如何用一些預定義值初始化數組列表?
我怎樣才能initialze的MYSYMBOLS ArrayList的在這裏,所以它總是每次由一些預定義符號
有四個預定義的符號,即(「DYY」,「LIIO」,「AFD」,「XCF」 ),所以,這將是永遠的finalSymbolsList
一部分,我可以手動做這一步實現這個
List<String> finalSymbolsList = jw.getMySymbols();
finalSymbolsList.add("DYY");
finalSymbolsList.add("LIIO");
finalSymbolsList.add("AFD");
finalSymbolsList.add("XCF");
=================== ===
import java.util.List;
import org.codehaus.jackson.map.ObjectMapper;
import com.JsonDTO;
public class Test {
public static void main(String args[]) {
try {
String request = "{\r\n" + " \"mySymbols\": [\r\n"
+ " \"TEST\",\"A\"\r\n" + " ]\r\n" + "}";
ObjectMapper mapper = new ObjectMapper();
JsonDTO jw = mapper.readValue(request, JsonDTO.class);
List<String> finalSymbolsList = jw.getMySymbols();
System.out.println(finalSymbolsList);
} catch (Exception e) {
e.printStackTrace();
}
}
}
=======================================
package com;
import java.util.ArrayList;
import java.util.Arrays;
public class JsonDTO {
private ArrayList<String> mySymbols = new ArrayList<String>();
public ArrayList<String> getMySymbols() {
return mySymbols;
}
public void setMySymbols(ArrayList<String> mySymbols) {
this.mySymbols = mySymbols;
}
}