求大神帮改下代码java

QWDJ HUIHDUQ HUHW UDHIOAQWHUDFWQISHFUIHUSIWFHAIoFCHUjfhdihydfuoihadsfuahu】

 System.out.println(answer);
->
System.out.print("a" + answer.get("a") + " " + "b" + answer.get("b") + " " + "c" + answer.get("c") + " " + "d" + answer.get("d"));