hello-algo/codes/kotlin/chapter_hashing/hash_map.kt
curtishd 3fe8f67ba9
Improve readability of Kotlin code (#1236)
* style(kotlin): Improve kotlin codes readability.

* remove redundant quotes.

* style(kotlin): improve codes readability.
2024-04-08 16:09:34 +08:00

50 lines
No EOL
1.2 KiB
Kotlin

/**
* File: hash_map.kt
* Created Time: 2024-01-25
* Author: curtishd (1023632660@qq.com)
*/
package chapter_hashing
import utils.printHashMap
/* Driver Code */
fun main() {
/* 初始化哈希表 */
val map = HashMap<Int, String>()
/* 添加操作 */
// 在哈希表中添加键值对 (key, value)
map[12836] = "小哈"
map[15937] = "小啰"
map[16750] = "小算"
map[13276] = "小法"
map[10583] = "小鸭"
println("\n添加完成后,哈希表为\nKey -> Value")
printHashMap(map)
/* 查询操作 */
// 向哈希表中输入键 key ,得到值 value
val name = map[15937]
println("\n输入学号 15937 ,查询到姓名 $name")
/* 删除操作 */
// 在哈希表中删除键值对 (key, value)
map.remove(10583)
println("\n删除 10583 后,哈希表为\nKey -> Value")
printHashMap(map)
/* 遍历哈希表 */
println("\n遍历键值对 Key->Value")
for ((key, value) in map) {
println("$key -> $value")
}
println("\n单独遍历键 Key")
for (key in map.keys) {
println(key)
}
println("\n单独遍历值 Value")
for (value in map.values) {
println(value)
}
}