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added observer sample

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Ilkka Seppala
2014-08-22 21:57:54 +03:00
parent 6246ed6d26
commit b3d48cc4df
8 changed files with 163 additions and 0 deletions
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7
observer/src/main/java/com/iluwatar/WeatherObserver.java Normal file
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@@ -0,0 +1,7 @@
package com.iluwatar;
public interface WeatherObserver {
void update(WeatherType currentWeather);
}