摘要:
package Test; public class test0 { public static void main (String []args) { char a = ('A' | ' '); //转小写 System.out.println(a); char b = ('b' & '_'); 阅读全文
摘要:
package Test; public class test0 { static final int SLOW = 1;//三个名为SLOW,MEDIUM,FAST而值为1,2,3的常量,表示风扇的速度。 static final int MEDIUM = 2; static final int 阅读全文