小编uwj*_*729的帖子

我正在尝试制作一个具有4个功能的计算器,这是基于单词的.当我尝试实现操作选择时,我收到stackoverflow错误.

班级计算器:

package us.plexproductions.main;

import java.util.Scanner;

public class Calculator {

public static int firstnum;
public static int secondnum;
public static int answer;
public static int operation;

Calculator c = new Calculator();
static Scanner s = new Scanner(System.in);

static Operations o = new Operations();

public static void main(String[] args) {

    prompt();
    start();
}

public static void prompt() {
    System.out.println("########################");
    System.out.println("#Calculator Version 1.0#");
    System.out.println("########################");
    System.out.println("************************");
    System.out.println("This is a calculator that\ncan add, subtract, multiply, and divide\n" +
                       "multiple numbers at once.");
    System.out.println("------------------------");
    System.out.println("Start …