39 lines
836 B
Kotlin
39 lines
836 B
Kotlin
/**
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* File: stack.kt
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* Created Time: 2024-01-25
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* Author: curtishd (1023632660@qq.com)
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*/
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package chapter_stack_and_queue
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import java.util.*
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/* Driver Code */
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fun main() {
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/* Initialize stack */
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val stack = Stack<Int>()
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/* Element push */
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stack.push(1)
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stack.push(3)
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stack.push(2)
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stack.push(5)
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stack.push(4)
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println("Stack stack = $stack")
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/* Access stack top element */
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val peek = stack.peek()
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println("Top element of the stack peek = $peek")
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/* Element pop */
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val pop = stack.pop()
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println("Pop element pop = $pop, stack after pop = $stack")
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/* Get the length of the stack */
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val size = stack.size
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println("Stack length size = $size")
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/* Determine if it's empty */
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val isEmpty = stack.isEmpty()
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println("Is the stack empty = $isEmpty")
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} |