From d970e5a6686760062dae5e9eb3138650c6b84528 Mon Sep 17 00:00:00 2001
From: Shaurya0237 <71341282+Shaurya0237@users.noreply.github.com>
Date: Fri, 28 Oct 2022 23:12:20 +0530
Subject: [PATCH] Create StackUsingArray.java

---
 StackUsingArray.java | 46 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 StackUsingArray.java

diff --git a/StackUsingArray.java b/StackUsingArray.java
new file mode 100644
index 0000000..00fa668
--- /dev/null
+++ b/StackUsingArray.java
@@ -0,0 +1,46 @@
+package Stacks;
+
+public class StackUsingArrays {
+
+private int[] data;
+private int top;
+
+public static  final int Default_Capacity=10;
+
+public StackUsingArrays throws Exception ()
+	{
+		this.(Default_Capacity);
+	}
+public StackUsingArrays(int capacity) throws Exception()
+	{ if(capacity<1)
+		throw new Exception("Invalid Capacity");
+	this.data=new int[capacity];
+	top=-1;
+	}
+public int size()
+{
+	return this.top+1;
+}
+
+public boolean isEmpty() {
+	return this.size()==0;
+}
+
+public void push(int value) {
+	if(this.size()==data.length)
+		throw new Exception("Stack is Full");
+	this.top++;
+	this.data[this.top]=value;
+}
+
+public int top() throws Exception{
+	if(this.size()==0)
+		throw new Exception("Stack is Empty");
+	int rv=this.data[this.top];
+	this.data[this.top]=0;
+	this.top--;
+	return rv;
+}
+
+}
+