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JavaTutorial/src/F011_Casting.java at master · windweb/JavaTutorial · GitHub

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public class F011_Casting {

public static void main(String[] args) {

// implicit casting

// byte < short < int < long < float < double

short x = 1;

int y = x + 2;

System.out.println(y);

double a = 1.1;

double b = a + 2; // 1.1 + 2.0

System.out.println(b); // 3.1

double c = 1.1;

int d = (int) c + 2; // 1 + 2

System.out.println(d); // 3

String e = "1";

int f = Integer.parseInt(e) + 2;

/*

Integer.parseInt(); // convert String to int

Short.parseShort(); // convert String to short

Long.parseLong(); // convert String to long

Double.parseDouble(); // convert String to double

Float.parseFloat(); // convert String to float

Byte.parseByte(); // convert String to byte

*/

System.out.println(f);

}

}

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