java实现英语数字翻译阿拉伯数字，求大神

Question

import java.util.Scanner;
public class translate {
public static void main(String[] args) {
while(true)
{
Scanner in = new Scanner(System.in);;
String s;
s = in.nextLine();
char a = s.charAt(0);
   String x[]={"zero","one","two", "three","four", "five","six","seven","eight","nine"} ;
   String y[]={"ten","eleven","twelve","thirteen","fourteen","fifteen", "sixteen","seventeen","eighteen","nineteen" };
   String z[]={"twenty","thirty","fourty","fifty",  "sixty","seventy", "eighty","ninety"  };
   int i,shu=0;
    for(i=0;i<10;i++)
   {
   if(s==x[i])
   {
shu=shu+i;
   break;
}
   else if(s==y[i])
   {
shu=shu+i+10;
   break;
}
}
for(i=0;i<8;i++)
{
   if(s==z[i])
   {
   shu=shu+i*10+20;
   break;
}
}   if(a=='\n')
{
   System.out.println(shu);
   shu=0;
   }
}
}
 
   
   }
这个代码不能输出结果，怎么回事啊

Answer 1

import java.sql.SQLException;
import java.util.Scanner;
public class translate {
public static void main(String[] args) {
while(true)
{
Scanner in = new Scanner(System.in);;
String s;
s = in.nextLine();  String x[]={"zero","one","two", "three","four", "five","six","seven","eight","nine"} ;
  String y[]={"ten","eleven","twelve","thirteen","fourteen","fifteen", "sixteen","seventeen","eighteen","nineteen" };
  String z[]={"twenty","thirty","fourty","fifty", "sixty","seventy", "eighty","ninety" };
  int i,shu=0;
  for(i=0;i<10;i++)
  {
     if(s.equals(x[i]))
     {
       shu=shu+i;
       System.out.println(shu);
       break;
      }
     else if(s.equals(y[i]))
           {
             shu=shu+i+10;
             System.out.println(shu);
             break;
           }
  }
  for(i=0;i<8;i++)
  {
    if(s.equals(z[i]))
     {
       shu=shu+i*10+20;
       System.out.println(shu);
       break;
     }
   }
 }
}
}
你看看'=='和equals()的区别    ‘==’比较内存地址，equals（）比较string内容

Answer 2

==：比较的是基本数据类型的值和引用数据类型的内存地址
equals：比较的是引用数据类型的内容，此比较会调用对象的equals()方法（可以在此方法里定义比较规则），如果此对象没有覆写此方法，则调用Object里的equals()方法。

Answer 3

import java.util.Scanner;
//import java.lang.String;
public class Translation
{
   
  //在输入英文时，如果只有一个字符串要多输入一个“0”来结束输入
 public static void main(String args[])
 {
    Scanner sc=new Scanner(System.in);
    System.out.println("please input a number 1 or 2 for your need:");
    System.out.println("1.Math to English;");
    System.out.println("2.English to Math;");
    String x[]={"zero","one","two", "three","four", "five","six","seven","eight","nine"} ;
    String y[]={"ten","eleven","twelve","thirteen","fourteen","fifteen", "sixteen","seventeen","eighteen","nineteen" }; 
    String z[]={"twenty","thirty","fourty","fifty",  "sixty","seventy", "eighty","ninety" };
    int t;
    while(true)
   {
     t =sc.nextInt();
        if(t==1)                        //数字转成英文
         { 
            System.out.println("please input a mathnumber:");
            int m=sc.nextInt();
            {
              if(m>=0 && m<10) 
               System.out.println(x[m]);
              if(m>=10 && m<20) 
               System.out.println(y[m-10]);
              if(m>=20 && m<100) 
               System.out.println(z[m/10-2]+'-'+x[m%10]);
              else 
               System.out.println("please input a number between 0 and 99");
             }
         }
       if(t==2)                     //英文转成数字
         { 
            System.out.println("please input a englishnumber:");
            System.out.println("如果您的英文数字只有一个字符串，请输入一个“0”结束");
            String s[]=new String[2];   //100以内的英文数字最多两个字符串
            s[0]=new String(sc.next()); //输入
            s[1]=new String(sc.next()); 
            int i;
             for(i=0;i<10;i++)
               {
                if(s[0].equals(x[i]) && s[1].equals("0")) 
                  {System.out.println(i);
                   break;}
                if(s[0].equals(y[i]) && s[1].equals("0")) 
                  {System.out.println(10+i);
                   break;}
               } 
             if(i==10)
             {int k;
             for(k=0;k<8;k++)
                for(int j=0;j<10;j++)
                 {if(s[0].equals(z[k]) && s[1].equals(x[j]))  
                   {System.out.println((k+2)*10+j); 
                    break;}
                  if(s[0].equals(z[k]) && s[1].equals("0"))
                  {System.out.println((k+2)*10);
                    break;}
                  }
                //if(k==8)
                 // System.out.println("please input a number between 0 and 99");
                }
              
         }
      else  System.out.println("please insure the number you input is 1 or 2");
    }  
 }
}

Answer 4

上面是数字和英文互译的，刚学Java菜鸟一只，如果只输入一个字符串还要多输入“0”不知道怎么办了

Answer 5

http://www.cnblogs.com/codejar/archive/2012/02/15/2352606.html

Answer 6

public class NumberTextTest {
  
  public static void main(String[] args) {
    
    for(Integer number : Arrays.asList(0, 1, 10, 102, 1030, 101002345)) {
      
      System.out.println(NumberText.getInstance(
              NumberText.Lang.English).getText(number));
    }
  }
}run:
zero
one
ten
one hundred and two
one thousand and thirty
one hundred and one million and two thousand three hundred and fourty five
BUILD SUCCESSFUL (total time: 0 seconds)