User-submitted Java Projects

The above program demonstrates how to use Stack Collections in java.
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The above program demonstrates how to use Stack Collections in java. The below example defines a Stack Object which adds the object of Circle12 and Rectangle.The push() method is used to insert an object unto the the stack wheras the pop() method removes an object from the stack.The peek() method returns the object which is on top of the stack.
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The above program demonstrates how to use Vector Collections in java.
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The below example demonstrates how to use collections with objects. The below program defines a TreeSet which only takes invoice objects and displays it as output.
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