FixedStack.java - public class FixedStackcfw A fixed size...

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public class FixedStack{ // A fixed size stack allowing elements to be pushed into and popped // from it. The maximum capacity of the stack is determined at // construction time and the stack throws exceptions if too many // elements are pushed into it. private String[] a; private int size; public FixedStack(int maxCapacity){ // Create a stack with the given maximum capacity. Initialize the // internal array of contents to the given size and set the current // size of the stack to 0. this.a=new String[maxCapacity]; this.size=0; } public int getCapacity(){ // Return the length of the internal array in the stack. return a.length; } public int getSize(){ // Return the number of elements that are in the stack. These are // the elements that have been push()'ed but not pop()'ed. return this.size; } public boolean isEmpty(){ // Return true if the size of the stack is 0 and false otherwise. return (this.size==0); } public boolean isFull(){ // Return true if the size of the stack is equal to its capacity and // false otherwise. If the stack is full, calling push() will raise // an exception.
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