double f=0.0005;
double i=3;
double d=f*i;
double f1=0.0005;
double j=3;
double d1=f1*j;
if(d==d1){
System.out.println("aaa");
}è¿æ ·å°±ç¸å½,javaä¸åºæ¬æ°æ®ç±»å称为èªå¨åé,èªå¨åéåçæ¯åé¢å¼,ç±äºåé¢å¼çæ°æ®å¤§å°å¯ç¥,çåæå¯ç¥,åºäºé度çåå å°±æå®ä»¬æ¾å¨æ ä¸,æ ä¸çæ°æ®å¯ä»¥å
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å¤çint a=3;é¦å
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