摘要：
class Demo1 { public static void main(String[] args) { /* 5. 有如下歌曲数组 String[] musics = new String[]{"Island","Ocean","Pretty","Sun"}; //这是按照字母顺序排好序的 字 阅读全文
摘要：
<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#tab { over 阅读全文