stack class in java
import java.util.Stack;
class Main {
public static void main(String[] args) {
Stack<String> animals= new Stack<>();
// Add elements to Stack
animals.push("Dog");
animals.push("Horse");
// Remove element from Stack
animals.pop();
// Access element from top of Stack
animals.peek();
}
}stack in java
// Java code for stack implementation
import java.io.*;
import java.util.*;
class Test
{
// Pushing element on the top of the stack
static void stack_push(Stack<Integer> stack)
{
for(int i = 0; i < 5; i++)
{
stack.push(i);
}
}
// Popping element from the top of the stack
static void stack_pop(Stack<Integer> stack)
{
System.out.println("Pop Operation:");
for(int i = 0; i < 5; i++)
{
Integer y = (Integer) stack.pop();
System.out.println(y);
}
}
// Displaying element on the top of the stack
static void stack_peek(Stack<Integer> stack)
{
Integer element = (Integer) stack.peek();
System.out.println("Element on stack top: " + element);
}
// Searching element in the stack
static void stack_search(Stack<Integer> stack, int element)
{
Integer pos = (Integer) stack.search(element);
if(pos == -1)
System.out.println("Element not found");
else
System.out.println("Element is found at position: " + pos);
}
public static void main (String[] args)
{
Stack<Integer> stack = new Stack<Integer>();
stack_push(stack);
stack_pop(stack);
stack_push(stack);
stack_peek(stack);
stack_search(stack, 2);
stack_search(stack, 6);
}
}Copyright © 2021 Codeinu
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