import java.io.IOException;
import java.util.*;
public class calling {
public static int num1() {
int x;
Scanner scanner = new Scanner (System.in);
System.out.println("Please enter a number called x: ");
x=scanner.nextInt();
return x;
}
public static int num2() {
int y;
Scanner scanner = new Scanner (System.in);
System.out.println("Please enter a second number called y: ");
y=scanner.nextInt();
return y;
}
public static String operand() {
Scanner input = new Scanner (System.in);
String s;
System.out.println("What process would you like to do? *, /, + or - ?");
s=input.next();
return s;
}
public static void calculation(int x, int y, String s) {
String t;
Scanner input = new Scanner(System.in);
if (s.equals("*")) {
System.out.println("\nThe product of these numbers is:" + (x*y));}
else
if (s.equals("+")) {
System.out.println("\nThe sum of these numbers is: " + (x+y));}
System.out.println("\nDo you want x or y to be the dividor/subtractor?: ");
t=input.next();
if (t.equals("y") || t.equals("Y")) {
if (s.equals("/")) {
System.out.println("\nThe quotient of these numbers is: " + (x/y));}
else
if (s.equals("-")) {
System.out.println("\nThe difference of these numbers is: " + (x-y));}}
else
if (t.equals("x") || t.equals("X")){
if (s.equals("/")) {
System.out.println("\nThe quotient of these numbers is: " + (y/x));}
else
if (s.equals("-")) {
System.out.println("\nThe difference of these numbers is: " + ((y-x)));}}
}
public static void main (String [] args) throws IOException {
int x1=num1();
int y1=num2();
String s1=operand();
calculation(x1, y1, s1);
}
}
我該如何將這些方法調用到新類中,以便我可以從中運行程序?我明白你通常會把class.nameofmethod()的名字;但我將如何通過參數等? 我是一個Java初學者,所以所有的幫助將不勝感激! 在此先感謝你們。如何在另一個課程中調用以下方法? java
你可以通過傳遞參數來傳遞參數,比如'StaticCalculatorClass.calculation(5,10,「wat」 )'。但是這種方法幾乎肯定是不正確的;你傳入一個字符串,然後立即用來自掃描器的輸入覆蓋它。你也希望這些方法是非靜態的,所以它們是實例方法 –