我正在嘗試使用方法來顯示一個值,然後以不同的十進制格式交替顯示它。主要問題是我輸入後無法調用該值。那是我所知道的唯一問題,但是如果還有其他的事情我不能理解,我會非常感謝任何見解。方法和調用引用
//*************************************************
//Hwk8 This Program displays Java Methods
//Written By: Daniel Kellogg
//Last Modified: 11/05/12
//************************************************
import java.util.Scanner;
import java.io.*;
import java.text.DecimalFormat;
import javax.swing.JOptionPne;
public class Hwk8 {
public static void main (String[] args) throws IOException {
double value;
double value2;
double value3;
double value4;
double value5;
value = getValue();
System.out.println(value);
value2 = getValue2();
System.out.println(value2);
value3 = getValue3();
System.out.println(value3);
value4 = getValue4();
System.out.println(value4);
value5 = getValue5();
System.out.println(value5);
System.exit(0);
}
public static double value()
{
double value;
value = JOptionPane.showInputDialog("enter value");
return value;
}
public static double value2(value) throws IOException
{
double value2;
value2 = roundToInteger(value);
return value2;
}
public static double value3(value) throws IOException
{
double value3;
value3 = roundToTenths(value);
return value3;
}
public static double value4(value) throws IOException
{
double value4;
value4 = roundToHundredths(value);
return value4;
}
public static double value5(value) throws IOException
{
double value5;
value5 = roundToThousandths(value);
return value5;
}
}
您可以通過在標題參考提起電話,但沒有表明與問題的相關性。 –