[Java/kotlin] Hex String의 Int 변환

 

16bit Hex String to Signed Int

• java

int i = (short) Integer.parseInt("FFFF", 16);

• kotlin

val i: Short = Integer.parseInt("FFFF",16).toShort()

 

16bit Hex String to Unsigned Int

• java

int i = Integer.parseUnsignedInt("FFFF", 16);  

• kotlin

val i = "FFFF".toLong(16)

 

 

32bit Hex String to Signed Int

• java

int x = (int)Long.parseLong("FFFFFFFC", 16); // x = -4

• kotlin

val x = "FFFFFFFC".toLong(16).toInt() // x = -4