JAVA 형변환 종류들입니다

JAVA 형변환 종류들입니다

int to String

1 2	String str = Integer.toString(i); String str = "" + i;

String to int

1 2	int i = Integer.parseInt(str); int i = Integer.valueOf(str).intValue();

double to String

1	String str = Double.toString(d);

long to String

1	String str = Long.toString(l);

float to String

1	String str = Float.toString(f);

String to double

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

String to long

1 2	long l = Long.valueOf(str).longValue(); long l = Long.parseLong(str);

String to float

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

decimal to binary

1	String binstr = Integer.toBinaryString(i);

decimal to hexadecimal

1 2 3

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

hexadecimal(String) to int

1 2	int i = Integer.valueOf("B8DA3", 16).intValue(); int i = Integer.parseInt("B8DA3", 16);

ASCII Code to String

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

Integer to ASCII Code

1	int i = (int) c;

Integer to boolean

1	boolean b = (i != 0);

boolean to Integer

1	int i = (b)? 1 : 0;

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