1 根据规律写方法
numIncre(“000000”) => “000001”
numIncre(”0023") => “0024”
numIncre(“0009”) => “0010”
numIncre(“000099”) => “000100”
numIncre(“9”) => “0”
public static String numIncre(String num);
2根据规律写方法
round(123.455,2) => 123.46
round(123.449,2) => 123.45
round(123.44,3) => 123.440
round(123.4455,3) => 123.446
round(123.4499,3) => 123.450
round(123.9,0) => 124
public static double strRound(double value,int decimalPlaces);
[b]问题补充:[/b]
我要实现代码