www.pudn.com > ThinkinginJava4thEdition(SourceCode).zip > GeneratorsTest.java

//: arrays/GeneratorsTest.java 
import net.mindview.util.*; 
 
public class GeneratorsTest { 
  public static int size = 10; 
  public static void test(Class surroundingClass) { 
    for(Class type : surroundingClass.getClasses()) { 
      System.out.print(type.getSimpleName() + ": "); 
      try { 
        Generator g = (Generator)type.newInstance(); 
        for(int i = 0; i < size; i++) 
          System.out.printf(g.next() + " "); 
        System.out.println(); 
      } catch(Exception e) { 
        throw new RuntimeException(e); 
      } 
    } 
  } 
  public static void main(String[] args) { 
    test(CountingGenerator.class); 
  } 
} /* Output: 
Double: 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 
Float: 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 
Long: 0 1 2 3 4 5 6 7 8 9 
Integer: 0 1 2 3 4 5 6 7 8 9 
Short: 0 1 2 3 4 5 6 7 8 9 
String: abcdefg hijklmn opqrstu vwxyzAB CDEFGHI JKLMNOP QRSTUVW XYZabcd efghijk lmnopqr 
Character: a b c d e f g h i j 
Byte: 0 1 2 3 4 5 6 7 8 9 
Boolean: true false true false true false true false true false 
*///:~