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

//: arrays/Reverse.java 
// The Collections.reverseOrder() Comparator 
import java.util.*; 
import net.mindview.util.*; 
import static net.mindview.util.Print.*; 
 
public class Reverse { 
  public static void main(String[] args) { 
    CompType[] a = Generated.array( 
      new CompType[12], CompType.generator()); 
    print("before sorting:"); 
    print(Arrays.toString(a)); 
    Arrays.sort(a, Collections.reverseOrder()); 
    print("after sorting:"); 
    print(Arrays.toString(a)); 
  } 
} /* Output: 
before sorting: 
[[i = 58, j = 55], [i = 93, j = 61], [i = 61, j = 29] 
, [i = 68, j = 0], [i = 22, j = 7], [i = 88, j = 28] 
, [i = 51, j = 89], [i = 9, j = 78], [i = 98, j = 61] 
, [i = 20, j = 58], [i = 16, j = 40], [i = 11, j = 22] 
] 
after sorting: 
[[i = 98, j = 61], [i = 93, j = 61], [i = 88, j = 28] 
, [i = 68, j = 0], [i = 61, j = 29], [i = 58, j = 55] 
, [i = 51, j = 89], [i = 22, j = 7], [i = 20, j = 58] 
, [i = 16, j = 40], [i = 11, j = 22], [i = 9, j = 78] 
] 
*///:~