一、Java代码的类型表示(代码):
package cn.jl.lwj;
public class Demo {
public static void main(String[] args) {
//整型变量的定义
byte age = 127;
System.out.println(age);
short s = 128;
System.out.println(s);
int i = 100;
System.out.println(i);
long ll = 1111111111111L;
System.out.println(ll);
//浮点型数据的定义
float f = 12.123456789F;
System.out.println(f);
double d = 12.123456789123456789;
System.out.println(d);
System.out.println((1+5)/100.0);
char c = 'a';
System.out.println(c);
boolean b = true;
b = false;
System.out.println(b);
double f1 = 12;
}
输出:
127
128
100
1111111111111
12.123457
12.123456789123457
0.06
a
false
一、Java代码的类型表示(代码图):
输出: