Java(자바) Type Casting(형변환) 관련

Int to String

Integer.toString(int)

 

char to String

Character.toString(char)

 

String to Int

Integer.parseInt(string)

 

Object to Int

int i = (Integer)obj;

 

Float to int

float reward;

int r = (int)reward;

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int to String

String str = Integer.toString(i);String str = "" + i;

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String to int

int i = Integer.parseInt(str);int i = Integer.valueOf(str).intValue();

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double to String

String str = Double.toString(d);

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long to String

String str = Long.toString(l);

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float to String

String str = Float.toString(f);

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String to double

double d = Double.valueOf(str).doubleValue();

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String to long

long l = Long.valueOf(str).longValue();long l = Long.parseLong(str);

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String to float

float f = Float.valueOf(str).floatValue();

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decimal to binary

String binstr = Integer.toBinaryString(i);

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decimal to hexadecimal

String hexstr = Integer.toString(i, 16);String hexstr = Integer.toHexString(i);Integer.toHexString( 0x10000 | i).substring(1).toUpperCase());

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hexadecimal(String) to int

int i = Integer.valueOf("B8DA3", 16).intValue();int i = Integer.parseInt("B8DA3", 16);

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ASCII Code to String

String char = new Character((char)i).toString();

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Integer to ASCII Code

int i = (int) c;

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Integer to boolean

boolean b = (i != 0);

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boolean to Integer

int i = (b)? 1 : 0;

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byteArray to String

byte[] byteArray = str.getBytes();

String str = new String(byteArray);

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