Fragmented - Android Developer Podcast

016: Effective Java for Android developers : Item 2

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In our third Fragment installment, we introduce Josh's second Item: Consider a builder when faced with many constructor parameters. Stay tuned for more items from our "Effective Java for Android developers" Fragment series. [audio src="http://traffic.libsyn.com/fragmented/ep_14_fragmented.mp3" preload="none" autoplay="false"] [Download][1] Show Notes Effective Java (2nd Edition) - Joshua Bloch Consider a builder when faced with many constructor parameters Patterns available for constructing object with parameters: Telescoping Constructor Pattern - Provideconstructor with only required parameters, another with a single optional param, a third with 2 optional params... and so on. Advantage: Works well for small number of parameters Disadvantage: Does NOT scale well JavaBeans Pattern - Callparameterless constructor to create the object; then call setter methods to set required parameter and each optional param of interest. Advantage: Scales well, easy (but wordy) to