Random()

long random (long howbig)   

生成隨機數(shù)

生成[0, howbig-1]范圍的隨機數(shù).

參數(shù):

• howbig 最大值

long random (long howsmall, long howbig)    

生成隨機數(shù)

生成[howsmall, howbig-1]范圍的隨機數(shù).

參數(shù):

• howsmall 最小值
• howbig 最大值