errors exist in required project(s)   에러 내용입니다. ㅠㅠ

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public class fde {
 private int year;
 private int month;
 private int date;
 private double min;
 private double max;
 
 public void Weather(int year, int month, int date, double min, double max)
 {
  this.year=year;
  this.month=month;
  this.date=date;
  this.min=min;
  this.max=max;
 }
 
 public double getAvg()
 {
  return (min+max)/2;
 }
 
 public static void main(String[] args) {
  
  Weather w1=new Weather(2010, 1, 20, -12, -2);
  double w1Avg=w1.getAvg();
  System.out.println(w1Avg);

 }
}

소스입니다. 답변해주시면 감사합니다.