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Ensure a class has only one instance and provides a global point of access to it |
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Useful when exactly one instance of a class is needed to coordinate actions |
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Abstract Factory,Prototype and Builder can use Singleton in their implementation |
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Often preffered as global variables -Provides OO Design scope,Allows lazy initialization or dynamic change in behaviour |
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Facade objects and State objects are often SIngletons |
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November 8, 2009 at 5:57 am
20 people have so far been reported killed and 70 injured in 5 serial bomb blasts in busy places across Delhi. First blast took place in an auto rickshaw at Ghaffar market of Karol Bagh in west Delhi.
| 2008 Sep 13 : Serial Blasts in Delhi |
| Nine people have so far been reported killed and 50 injured in 5 serial bomb blasts in busy places across Delhi. First blast took place in an auto rickshaw at Ghaffar market of Karol Bagh in west Delhi. |
| Five explosions rocked three crowded markets in Delhi on Saturday evening, leaving at least seven people dead, according to police. |
| Four explosions rocked various places in Delhi on Saturday evening, injuring at least 40 people. |
| Delhi was rocked by four serial blasts which killed 7 and injured over 30. The blasts took place at Ghaffar Market, Greater Kailash I and two at Connaught Place areas. |
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September 13, 2008 at 3:12 pm
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