// Textbook fragment 01.02
public class Base {
  public static void main (String[] args) {
    boolean flag = true;
    char ch = 'A';
    byte b = 12;
    short s = 24;
    int i = 257;
    long l = 890L;              // note the use of "L" here
    float f = 3.1415F;          // note the use of "F" here
    double d = 2.1828;
    System.out.println ("flag = " + flag);  // the "+" is string concatenation
    System.out.println ("ch = " + ch);
    System.out.println ("b = " + b);
    System.out.println ("s = " + s);
    System.out.println ("i = " + i);
    System.out.println ("l = " + l);
    System.out.println ("f = " + f);
    System.out.println ("d = " + d);
  }
}