The Java Developers Almanac 1.4


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Home > List of Packages > java.util.prefs  [18 examples]

e410. Getting the Maximum Size of a Preference Key and Value

    // Get maximum key length
    int keyMax = Preferences.MAX_KEY_LENGTH;
    
    // Get maximum value length
    int valueMax = Preferences.MAX_VALUE_LENGTH;
    
    // Get maximum length of byte array values
    int bytesMax = Preferences.MAX_VALUE_LENGTH * 3/4 ;

 Related Examples
e405. Saving and Retrieving a Preference Value
e406. Determining If a Preference Node Contains a Specific Key
e407. Determining If a Preference Node Contains a Specific Value
e408. Removing a Preference from a Preference Node
e409. Getting and Setting Java Type Values in a Preference

See also: Events    Importing and Exporting    Nodes   


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