byte b = 127;// 1byte (2^8): -128 ~ 127short s = 32767;// 2byte (2^16): -32,768 ~ 32,767int i = 2147483647;// 4byte (2^32): -2,147,483,648 ~ 2,147,483,647long l = 9223372036854775807L;// 8byte (2^64): -9,223,372,036,854,775,808 ~ 9,223,372,036,854,775,807float f = 3.14f;// 4byte (2^32): 대략 -3.4E38 ~ 3.4E38 (7자리 정밀도)double d = 3.14;// 8byte (2^64): 대략 -1.7E308 ~ 1.7E308 (15자리 정밀도)boolean bool = t..
