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  • 二进制代码运算规律是逢二进一

    它由两个基本字符0,1组成,二进制代码运算规律是逢二进一。

    十进制1,

    二进制也是1;

    十进制2(1+1),

    二进制为10;

    十进制3(1+1+1),

    二进制为11;

    十进制4,

    二进制为100……

    也就 是说,用二进制做十进制的加法时是逢二进一!

    表述:为区别于其它进制代码,二进制代码的书写通常在数的右下方注上基数2,或加后面加B表示。

     1 package Com.TableTest;
     2 
     3 import java.util.Map;  
     4 import org.apache.commons.lang.ArrayUtils;  
     5 
     6 public class TableText_08 {  
     7  
     8   public static void main(String[] args) {  
     9     String[][] countries = { { "United States", "New York" }, { "United Kingdom", "London" },  
    10         { "Netherland", "Amsterdam" }, { "Japan", "Tokyo" }, { "France", "Paris" } };  
    11  
    12     Map countryCapitals = ArrayUtils.toMap(countries);  
    13  
    14     System.out.println("Capital of Japan is " + countryCapitals.get("Japan"));  
    15     System.out.println("Capital of France is " + countryCapitals.get("France"));  
    16   }  
    17 }

    需要的jar版本号:

    commons-lang-2.6

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  • 原文地址:https://www.cnblogs.com/borter/p/9388380.html
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