表達形式一:int[][] x
表達形式二: int x[][]
表達形式三: int[] y[] this kind of expression is less in use ,but can be encounterd at interview ,
for example :int[] x,y[] //x一維數組,y二維array
表達形式一:int[][] x
表達形式二: int x[][]
表達形式三: int[] y[] this kind of expression is less in use ,but can be encounterd at interview ,
for example :int[] x,y[] //x一維數組,y二維array
條款24 ----》條款24:若所有參數皆需類型轉換,請爲此採用non-member函數 **
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