end of bala session, Java

end of bala session

/*
Given a stream of integers and a window size, calculate the moving average of all integers in the sliding window.

Example:  1, 10, 3, 5, 6 ....

Rextester m = new Rextester(3);   //sliding window size is 3
m.next(1) = 1/1
m.next(10) = (1 + 10) / 2
m.next(3) = (1 + 10 + 3) / 3
m.next(5) = (10 + 3 + 5) / 3
m.next(6) = (3+5+6)/3
....

}

*/
import java.util.*;
import java.lang.*;

class Rextester
{  
    int s = 0;
    /** Initialize your data structure here. */
    public Rextester(int size) {
     
         
     s = size+1;
     List<Integer> ar = new ArrayList<>();
     ar.add(next())
        
        
        
    }
    
    public double next(int val) {
        
        double outVal = 0;
        int sum = 0;
        while(ar.hasNext() && size<=s){
            sum =.sum+obj.next();
        }
        
        outVal = sum/s;
        
        return outVal;
    }
    
            
    //you code should pass the following tests
    public static void main(String args[])
    {
       Rextester obj = new Rextester(3);
        
       System.out.println(obj.next(1));    //1
       System.out.println(obj.next(5));    //3
       System.out.println(obj.next(9));    //5
       System.out.println(obj.next(4));    //6
    }
}


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