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Copy pathMy_Stack.java
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60 lines (49 loc) · 1.17 KB
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package Stack;
public class My_Stack {
private Node top;
private int size;
class Node{
Node next;
int value;
public Node(int value){
this.value = value;
}
}
public My_Stack(int value){
Node newNode = new Node(value);
top = newNode;
size = 1;
}
public void push(int value){
Node newNode = new Node(value);
newNode.next = top;
top = newNode;
size++;
}
public void pop(){
if(top == null){
System.out.println("Stack is Empty");
return;
}
Node temp = top;
top = top.next;
temp.next = null;
size--;
}
public int peek(){
if(top == null){
return -1;
}
return top.value;
}
public void printStack(){
Node temp = top;
System.out.println("Top: "+top.value);
System.out.println("Size: "+size);
System.out.print("Stack: ");
while(temp != null){
System.out.print(temp.value+" ");
temp = temp.next;
}
}
}