初学者：输出不了对象，用的是intellij软件，求大佬们指教

Question

public class MAL {
   String name;
   int age;
   public MAL(){
       this.name=name;
       this.age=age;
   }
   public static void main(String[] args){
       MAL m=new MAL();
       m.name="kkk";
       m.age=5;
   }
}

Answer 1

输出结果是这个C:\Users\许毅\java\jdk-9\bin\java "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2.6\lib\idea_rt.jar=63235:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2.6\bin" -Dfile.encoding=UTF-8 -classpath C:\Users\许毅\IdeaProjects\kaka\out\production\kaka MALProcess finished with exit code 0