第一次上机练习

package task1;

public class q {

	public static void main(String[] args){
		int a=5,b=6,c;
		c=a;a=b;b=c;
		System.out.println("a="+a);
		System.out.println("b="+b);
	}

}

　　

 

package task1;

public class q {

	public static void main(String[] args){
		int a=456;
		int b,c,d,e;
		b=a%10;
		c=a%100/10;
		d=a/100;
		e=b+c+d;
		System.out.println("和为"+e);
	}

}

　　

 

package task1;
public class q {
	public static void main(String[] args){
		int hs=365;
		int ss=(hs-32)*5/9;
		System.out.println(ss);
	}
}

　　

 

package task1;
public class q {
	public static void main(String[] args){
		char a='A';
		System.out.println((char)(a+32));
 
	}
}