5 you can implement a stack with two queue by simply

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5) You can implement a stack with two queue by simply, to enqueue elements into Q1 whener a push call is made (which is O(1)). For pop calls, we can dequeue all elements of Q1 and enqueue them into Q2 except for the last element which we set aside in a temp variable.Then we return elements to Q1 by dequeuing from Q2 and enqueueing into Q1. The last element that we set aside is returned as the result of pop. So pop takes O(n) time. 6) public struct KeyValuePair<TKey, TValue> {
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Hunter Higdon CS1122 Chapter 16/18 Exercises Protected TKey first; Protected TValue second; Public Pair( Tkey a, TValue b) { first = a; second = b; } } 7) A type parameter is a placeholder for a specific type that a client specifies when they instantiate a variable of the generic type. 8) A generic type works with multiple data types. A normal class works with only one kind of data type. 9) So when you pass an ArrayList<String> to a method with an ArrayList parameter variable, and the method stores an object of type BankAccount into the array list, the object BankAccount gets stored into the ArrayList<String>. 10) public static boolean isPalinDrone(int n) { String str = Integer.toString(n); String reverse = new StringBuilder (str).reverse().toString(); return str.equals(reverse); }
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