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public   class   Test{  
          public   static   void   main(String   args[]){  
                  System.out.println(0.05+0.01);  
                  System.out.println(1.0-0.42);  
                  System.out.println(4.015*100);  
                  System.out.println(123.3/100);  
          }  
};  
   
ÄãûÓп´´í£¡½á¹ûȷʵÊÇ  
0.060000000000000005  
0.5800000000000001  
401.49999999999994  
1.2329999999999999  
   
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Õâ¸öÎÊÌâÏ൱ÑÏÖØ£¬Èç¹ûÄãÓÐ9.999999999999Ôª£¬ÄãµÄ¼ÆËã»úÊDz»»áÈÏΪÄã¿ÉÒÔ¹ºÂò10ÔªµÄÉÌÆ·µÄ¡£  
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Java Server Pages±í´ïʽÓïÑÔ

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