第一次上机作业

1.package ghghgh;

public class asdad {
 public static void main(String[] args) {
        // TODO Auto-generated method stub
            int a=5,b=9,c=0;
            System.out.println("互换前a="+a+"b="+b);
            c=a;
            a=b;
            b=c;
            System.out.println("互换后a="+a+"b="+b);
    }

}

 

 2.

package ghghgh;

public class asdad {
   public static void main(String[] args) {
         // TODO Auto-generated method stub
         int shu=856,ge,shi,bai;
         ge=shu%10;
         shi=shu/10%10;
         bai=shu/100;
         System.out.println("该数的个十百的和为"+(ge+shi+bai));
        
     }
}

 

 3.

package ghghgh;

public class asdad {
 public static void main(String[] args) {
        // TODO Auto-generated method stub
        double a = 95;//华氏温度
        double b = 36;//摄氏温度
        double c = (a-32)*5/9;
        double d = b*9/5+32;
        System.out.println(c);
        System.out.println(d);
 
    }
 
}

 

 4.

package ghghgh;

public class asdad {
 public static void main(String[] args) {
        // TODO Auto-generated method stub
         char a = 'A';
         char b=(char) (a+32);
         System.out.println(b);
    }
}