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请看一下这个主题: 我可以计算这些数字的平均值吗? 我该如何为此编写程序?在正确的答案中,他只是在没有 java 程序的情况下编写了方程式,例如他使用了 newValue 而没有初始化 newValue。这是等式:

int currentScore = (currentScore * currentCount + newValue) / currentCount;
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1 回答 1

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请找到以下损坏的步骤:

   private float calculateNewScore(){
        float currentScore = 6.1123
        int currentCount = 12;
        float newValue = 4.5;
        int newCount = currentCount+1;

        float newScore = (currentScore * currentCount + newValue) / newCount ;

    }

如果您正在寻找示例程序,它可能是这样的:

 public class CalculateScore {

  public static void main(String[] args) {
    float currentScore = 6.1123; //you can initialize with any desired value
    int currentCount = 12;//you can initialize with any desired value

    float newValue = 0;
    Scanner scanner = new Scanner( System.in );     

    do{
        System.out.println("Enter your new value. Enter 0 or negative to exit.");
        newValue = scanner.nextFloat();
        if(newValue>0){
            currentScore = (currentScore*currentCount+newValue)/(++currentCount);
            System.out.println("Your new score is "+currentScore);
        }else{
            System.out.println("Program is exiting");
        }

    }while(newValue >0);
   }
  }
于 2012-10-07T00:24:05.017 回答