average1.java

北京邮电大学牛导的 JAVA课件课件及相关资料

import javax.swing.JOptionPane;
public class Average1 {
    
    public static void main(String[] args) {
        double input[];
        double total, average;
        int counter;
        String inputnumber, index;
        counter = 0;
        total = 0;
        index = "NO."+"Socore"+"\n";
        input = new double[5];
        while(counter < 5 )
        {
            inputnumber = JOptionPane.showInputDialog("Please input the data !");
            input[counter] = Double.parseDouble(inputnumber);
            total = total + input[counter];
            index = index + counter + "    " + input[counter] + "\n";
            counter++;
        }
        average = total/5;
        index = index + "Average = " + "\t" + average;
        JOptionPane.showMessageDialog(null, index,"Average",JOptionPane.PLAIN_MESSAGE);
        System.exit(0);       
        
    }
    
}