Day5之变量Variation

package java151122;

/*

* 变量小练习

*/

public class VarDemo {

public static void main(String[] args) {

int x=4;

System.out.println(x);

x=10;

System.out.println(x);

byte a=3 ;

short s=1020;

long l=21L;

float f=2.09f;

//double d=23d;

double d =23;

char ch='s';

System.out.println(a);

System.out.println(s);

System.out.println(l);

System.out.println(f);

System.out.println(d);

System.out.println(d);

System.out.println(ch);

}

}