The Java Developers Almanac 1.4


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Home > List of Packages > java.util  [50 examples] > Sets  [3 examples]

e354. Creating a Set That Retains Order-of-Insertion

    Set set = new LinkedHashSet();
    
    // Add some elements
    set.add("1");
    set.add("2");
    set.add("3");
    set.add("2");
    
    // List the elements
    for (Iterator it=set.iterator(); it.hasNext(); ) {
        Object o = it.next();
    }
    // [1, 2, 3]

 Related Examples
e352. Creating a Set
e353. Operating on Sets

See also: Arrays    Bits    Collections    Dates    Hash Tables    Lists    Property Files    Sorted Collections    Time    Timers   


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