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@stden
Last active April 7, 2017 20:03
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public class Java1_FirstApplication {
public static void main(String[] args) {
System.out.println("Hello, world!");
int a = 4;
// declaration (объявление)
int b;
// initialization (инициализация - задание значения)
b = 7;
// ПРИМИТИВНЫЕ ТИПЫ
// ЧИСЛА
// целые
int i = 2; // 4
int y = 0x9;
long l = 45; // 8
long l1 = 4000000000L;
short srt = 12; // 2
byte br = 12; // 1
// char
System.out.println('A');
System.out.println('\u0041');
char c = 65;
char c1 = 'A';
char c2 = '\u0041';
System.out.println(c);
System.out.println(c1);
System.out.println(c2);
// дробные числа
double d = 9.8;
double d1 = 9.8d;
float f = 9.8f;
// boolean - логическое значение
boolean t1 = true; // истина, правда, "да"
boolean t2 = false; // ложь, "нет"
}
}
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