OnJava8-Examples/arrays/SuppliersTest.java
2015-11-03 12:00:44 -08:00

38 lines
1.1 KiB
Java

// arrays/SuppliersTest.java
import java.util.function.*;
import com.mindviewinc.util.*;
public class SuppliersTest {
public static int size = 10;
public static void test(Class<?> surroundingClass) {
for(Class<?> type : surroundingClass.getClasses()) {
System.out.print(type.getSimpleName() + ": ");
try {
Supplier<?> g = (Supplier<?>)type.newInstance();
for(int i = 0; i < size; i++)
System.out.printf(g.get() + " ");
System.out.println();
} catch(InstantiationException |
IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
public static void main(String[] args) {
test(CountingSupplier.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
*/