Another Set demo : Set « Collections Data Structure « Java

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Java » Collections Data Structure » Set Screenshots  Another Set demo       import java.util.Arrays; import java.util.HashSet; import java.util.Set; public class SetMembership {   final static String[] keywordarray = { "abstract", "assert", "boolean",       "break", "byte", "while" };   final static Set keywords = new HashSet(Arrays.asList(keywordarray));   static boolean isKeyword1(String id) {     return keywords.contains(id);   }   static boolean isKeyword2(String id) {     return Arrays.binarySearch(keywordarray, id) >= 0;   } }                                              Related examples in the same category 1.  Set, HashSet and TreeSet 2.  Things you can do with Sets 3.  Set operations: union, intersection, difference, symmetric difference, is subset, is superset 4.  Set implementation that use == instead of equals() 5.  Set that compares object by identity rather than equality 6.  Set union and intersection 7.  Set with values iterated in insertion order. 8.  Putting your own type in a Set 9.  Use set 10.  Set subtraction 11.  Working with HashSet and TreeSet 12.  TreeSet Demo 13.  Show the union and intersection of two sets 14.  Demonstrate the Set interface 15.  TreeSet Test 16.  Array Set extends AbstractSet 17.  Sync Test 18.  Set Copy 19.  Set and TreeSet 20.  Tail 21.  What you can do with a TreeSet 22.  Remove all elements from a set 23.  Copy all the elements from set2 to set1 (set1 += set2), set1 becomes the union of set1 and set2 24.  Remove all the elements in set1 from set2 (set1 -= set2), set1 becomes the asymmetric difference of set1 and set2 25.  Get the intersection of set1 and set2, set1 becomes the intersection of set1 and set2 26.  Extend AbstractSet to Create Simple Set 27.  Int Set 28.  One Item Set 29.  Small sets whose elements are known to be unique by construction 30.  List Set implements Set 31.  Converts a char array to a Set 32.  Converts a string to a Set 33.  Implements the Set interface, backed by a ConcurrentHashMap instance 34.  An IdentitySet that uses reference-equality instead of object-equality 35.  An implementation of the java.util.Stack based on an ArrayList instead of a Vector, so it is not synchronized to protect against multi-threaded access. 36.  A thin wrapper around a List transforming it into a modifiable Set. 37.  A thread-safe Set that manages canonical objects