(JAVA) Bài 2: Khai báo và sử dụng hằng

package hangjava;

public class HangJaVa {

public static void main(String[] args) {

System.out.println("CHUONG TRINH KHAI BAO VA SU DUNG HANG");
final String gach= "-------------------------------------------------------";
final String hoten = "DOAN VI CUONG";
final int nguyen = 10;
final float thuc = 1.123456789f;
final char kitu = 'B';
final boolean dungsai = false;

System.out.println(gach);
System.out.println("Toi la: "+hoten);
System.out.println("Tri cua hang nguyen la: " +nguyen);
System.out.format("Tri cua hang thuc la: % .2f %n", thuc);
System.out.println("Tri cua hang ki tu la :" +kitu);
System.out.println("Tri cua hang logic la: " +dungsai);
System.out.println(gach);
}
}