蔡耀葳Java資料型態

Java原型primitive 資料型態

資料型態長度(位元組)範圍最小範圍最大
位元數1位元組=8位元-128127
短整數2位元組=16位元-32,76832,767
整數4位元組=32位元-2,147,483,6482,147,483,647
長整數8位元組=64位元-9,223,372,036,854,780,0009,223,372,036,854,780,000
浮點數4位元組=32位元1.4*10^-453.4*10^38
倍精數8位元組=64位元4.9*10^-3243.4*10^308
布林1位元falsetrue
字元2位元組=16位元'\u0000''\uffff'
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