Update 4-stack/README.md
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@ -5,7 +5,7 @@ Wikipedia on [stacks](http://en.wikipedia.org/wiki/Stack_(abstract_data_type)).
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Similarly, the Linked List, a stack is an abstract data type. It is LIFO, or Last In First Out. Each node holds data and a pointer to the next node.
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Similarly, the Linked List, a stack is an abstract data type. It is LIFO, or Last In First Out. Each node holds data and a pointer to the next node.
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###Visualization
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### Visualization
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@ -21,7 +21,7 @@ The main operations available to the Stack are push and pop.
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- Pop should remove the top node and return it.
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- Pop should remove the top node and return it.
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- Push should add to the top of the stack.
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- Push should add to the top of the stack.
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###Methods
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### Methods
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Create your datatypes and create the following methods:
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Create your datatypes and create the following methods:
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@ -33,7 +33,7 @@ Create your datatypes and create the following methods:
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- empty - Is the stack empty?
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- empty - Is the stack empty?
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###Additional Methods
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### Additional Methods
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In the wikipedia article, read under the title "Hardware Stacks". Emulating a hardware stack, add the operations it lists to your class. This is open ended and implementation is up to you.
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In the wikipedia article, read under the title "Hardware Stacks". Emulating a hardware stack, add the operations it lists to your class. This is open ended and implementation is up to you.
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