From 46eb7e041635c665412041bcc908c606b546b6ff Mon Sep 17 00:00:00 2001
From: badrr <badr.radellah@etu.univ-amu.fr>
Date: Fri, 13 Sep 2024 16:39:43 +0200
Subject: [PATCH] Ex2 tp1
---
src/main/java/stack.java | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 src/main/java/stack.java
diff --git a/src/main/java/stack.java b/src/main/java/stack.java
new file mode 100644
index 0000000..3eed5c2
--- /dev/null
+++ b/src/main/java/stack.java
@@ -0,0 +1,36 @@
+public class stack {
+
+ private Vector vector;
+
+ public stack() {
+ vector = new Vector();
+ }
+
+ public void push(int value) {
+ vector.add(value);
+ }
+
+ public int peek() {
+ if (vector.isEmpty()) {
+ throw new IllegalStateException("La pile est vide");
+ }
+ return vector.get(vector.size() - 1);
+ }
+
+ public int pop() {
+ if (vector.isEmpty()) {
+ throw new IllegalStateException("La pile est vide");
+ }
+ int topElement = vector.get(vector.size() - 1);
+ vector.resize(vector.size() - 1);
+ return topElement;
+ }
+
+ public int size() {
+ return vector.size();
+ }
+
+ public boolean isEmpty() {
+ return vector.isEmpty();
+ }
+}
--
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