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GeezerVison is showing github.com — Java/Programs/Stack.java at main · am-opensource-learner-void/Java Expand file tree/ Copy pathStack.javaMore file actions 68 lines (54 loc) · 1.2 KB / Copy pathStack.javaFile metadata and controls68 lines (54 loc) · 1.2 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 //Demostrate the Implementation of Stack Using public class Node { private int data; private Node nextNode; public Node(int data){ this.data = data; } public int getData() { return data; } public void setData(int data) { this.data = data; } public Node getNextNode() { return nextNode; } public void setNextNode(Node nextNode) { this.nextNode = nextNode; } } // Different Stack operation public class CustomStack { int length = 0; Node top = null; public CustomStack(){ } public int size(){ return length; } public boolean isEmpty(){ return length == 0; } public void push(int data) { Node tempNode = new Node(data); tempNode.setNextNode(top); top = tempNode; length++; } public int pop() { if(isEmpty()){ throw new EmptyStackException(); } Node node = top; top = top.getNextNode(); length--; return node.getData(); } public int peek(){ if(isEmpty()){ throw new EmptyStackException(); } return top.getData(); } } |
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