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How Treeset implementation maintains unique elements in it?
How an Treeset maintains the unique element? Which algorithm does it use? What is the advantages over doing the same using the Arraylist manually?
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MVC architecture
what is the difference between MVC1 & MVC2 in Java?
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Common Design Pattern
What is command design pattern? Explain this pattern based on below scenario Map m=new HashMap(); HashMap m=new HashMap(); What is difference between Map m=new HashMap(); HashMap m=new HashMap();
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How many methods in the Serializable interface?
There is no method in the Serializable interface. The Serializable interface acts as a marker, telling the object serialization tools that your class is serializable.
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