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May 25th, 2018
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Java 0.53 KB | None | 0 0
  1.     public void MonthlyGrowthRate(){//每月營收成長率
  2.         for(int i = 1 ; i < Revenue.length ; i++) {//從第2年度開始來做運算
  3.             for(int j = 0 ; j < Revenue[i].length ; j++) {
  4.                 System.out.printf("%.2f%s",(Revenue[i][j]/Revenue[i-1][j]*100),"% , ");//成長率:今年/去年*100%
  5. //              System.out.printf("%.2f%s",((Revenue[i][j]-Revenue[i-1][j])/Revenue[i-1][j]*100),"% , ");//成長率:(去年-今年)/去年*100%
  6.                 //%.2f,表算到小數點第2位,題目沒指定可忽略
  7.             }
  8.             System.out.println();
  9.         }
  10.     }
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