第二次java作业

1

.package yugh;

public class mn {

	 public static void main(String[] args) {

         int a=5;

         int b=9;

         int c;

         c=a;

         a=b;

         b=c;

         System.out.println("a="+a);

         System.out.println("b="+b);

        

     }

     }

2.package yugh;

public class mn {
    public static void main(String[] args) {
        int d = 678;
        System.out.println("原始数据：" + d + "百位是：" + d / 100 + "十位是：" + d % 100 / 10 + "个位是：" + d % 10 + "位数总和是："
        + (d / 100 + d % 100 / 10 + d % 10));
    }
}

3.package yugh;

public class mn {
    public static void main(String[] args) {
        int e = 68;
        int f = 38;
        System.out.println("华氏度是：" + e + "摄氏度是：" + (e - 32) * 5 / 9);
        System.out.println("摄氏度是：" + f + "华氏度是：" + (f * 9 / 5 + 32));
        }
        }

　　

4.package yugh;

public class mn {
	public static void main(String[] args) {
		char g = 'B';
		System.out.println("原来的字符是：" + g + "转换成小写是：" + (char) (g + 32));
		}
		}