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Tick Start tick Java Javascript .net Tick = 0 (GMT+0) 1970/01/01 00:00:00 1970/01/01 00:00:00 1601/01/01 00:00:00... runas RUNAS 使用方法: RUNAS [ [/noprofile | /profile] [/env] [/netonly] ] /user: program RUNAS [ [/noprofile | /profile] [/env] [/netonly] ... Enable SSL connection for Jsoup import org.jsoup.Connection; import org.jsoup.Jsoup; import javax.net.ssl.*; import java.io.IOException; import java.security.KeyManagement...
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A simple work
public class Tri {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int last = 5;
        for (int i = 1, n = 1; i <= last; i++) {
            int p = n;
            while (p-- > 0)
                System.out.print(Integer.toHexString(i));

            n = i <= last / 2 ? n + 1 : n - 1;
            System.out.println();
        }
    }

}