Java的高级运算

public class wenjian

        public static void main(String[] args);

int num=1234       

System.out.println(num%10);//4

System.out.println((num%100)/10);//3

System.out.println((num/100)%10);//2

System.out.println(num/1000);//1

int a=10;

byte b=(byte)a;

System.out.println(a);

int a=4;

int b=3

System.out.println(3<4&&4<3);

System.out.println(3<4||4<3);

System.out.println(3<4&4<3);

System.out.println(3<4|4<3);