mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-26 03:56:28 +08:00
eadf4c86d4
* feat(kotlin): add kotlin code for dynamic programming. * Update knapsack.kt * feat(kotlin): add kotlin codes for graph. * style(kotlin): reformatted the codes. * feat(kotlin): add kotlin codes for the chapter of greedy. * Update max_product_cutting.kt * feat(kotlin): add kotlin code for chapter of hashing. * style(kotlin): modified some comment * Update array_hash_map.kt * Update hash_map_chaining.kt * Update hash_map_chaining.kt
50 lines
No EOL
1.2 KiB
Kotlin
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: MutableMap<Int, String> = HashMap()
|
|
|
|
/* 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)
|
|
}
|
|
} |