import java.security.SignedObject;
import java.util.Date;
public class Test002 {
public static void main(String[] args){
System.out.printf("%s",1221);
System.out.printf("aa%nbb");
System.out.printf("%s = %s%n","name","Zhangsan");
System.out.printf("%S = %S%n","name","Zhangsan");
System.out.printf("%1$s = %3$s%2$s%n","name","san","Zhang");
System.out.printf("true = %b; false = %b", true, false);
Integer iobj = 342;
System.out.printf("%d; %d; %d%n", -500, 2343L, iobj);
System.out.printf("%o; %o; %o%n", -500, 2343L, iobj);
System.out.printf("%x; %x; %x%n", -500, 2343L, iobj);
System.out.printf("%X; %X; %X%n", -500, 2343L, iobj);
Double dobj = 45.6d;
System.out.printf("%e; %e; %e%n", -756.403f, 7464.232641d, dobj);
System.out.printf("%e; %e; %e%n", -756.403f, 7464.232641d, dobj);
System.out.printf("%f; %f; %f%n",-756.403f, 7464.232641d, dobj);
System.out.printf("%.1f; %.2f; %.3f%n",-756.403f, 7464.232641d, dobj);
System.out.printf("%10.1f; %10.2f; %10.3f%n",-756.403f, 7464.232641d, dobj);
Date date = new Date();
System.out.printf("%ty; %tY %n", date, date);
System.out.printf("%tm; %tM; %B %n", date, date, date);
System.out.printf("%td %tD %tF %n", date, date, date);
System.out.printf("%tH %tI %n", date, date);
System.out.printf("%tM %n", date);
System.out.printf("%tS %n", date);
System.out.printf("%tL %n", date);
System.out.printf("%tp %n", date);
System.out.printf("%1$tR %n", date);
System.out.printf("%1$tT %n", date);
System.out.printf("%1$tr %n", date);
System.out.printf("%tA %ta %n", date, date);
System.out.printf("%1$tc%n", date);
}
}