第一次上机练习

package chap1;

public class Main
{
    public static void main(String[] args)
    {
        int a = 10, b = 5, c;
        c = a;
        a = b;
        b = c;
        System.out.println("a=" + a + " b=" + b);

        int d = 345;
        int ge = d % 10;
        int shi = d % 100 / 10;
        int bai = d / 100;
        System.out.println("各位数之和=" + (ge + shi + bai));

        float f = 50f;
        System.out.println("50华氏度的摄氏度为:" + (f - 32) * 5 / 9);

        char g = 'A';
        System.out.println("转换为小写字母为:" + (char)(g + 32));
    }
}