Anirban Ghatak 7498ce0052 Added a few lines to emphasize Interfaces importance to Design patterns. (#23700) ... * Added a few lines to emphasize Interfaces importance to Design patterns. * Fixed several grammatical mistakes		2018-12-01 21:30:11 -05:00
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index.md	Added a few lines to emphasize Interfaces importance to Design patterns. (#23700)	2018-12-01 21:30:11 -05:00