java:jfc_intf_set
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java:jfc_intf_set [2015/03/16 17:00] gthanos created |
java:jfc_intf_set [2016/02/26 11:15] |
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| - | ====== Set ====== | ||
| - | |||
| - | Το //Set// είναι ένα Collection το οποίο δεν επιτρέπει διπλές εγγραφές. Δείτε το παρακάτω παράδειγμα κώδικα | ||
| - | |||
| - | <code java FindDups2.java> | ||
| - | public class FindDups2 { | ||
| - | public static void main(String[] args) { | ||
| - | Set<String> uniques = new HashSet<String>(); | ||
| - | Set<String> dups = new HashSet<String>(); | ||
| - | |||
| - | for (String a : args) | ||
| - | if (!uniques.add(a)) | ||
| - | dups.add(a); | ||
| - | |||
| - | // Destructive set-difference | ||
| - | uniques.removeAll(dups); | ||
| - | |||
| - | System.out.println("Unique words: " + uniques); | ||
| - | System.out.println("Duplicate words: " + dups); | ||
| - | } | ||
| - | } | ||
| - | </code> | ||
java/jfc_intf_set.txt · Last modified: 2016/02/26 11:15 (external edit)
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