Improved mysql tasks

Author: javadev

src/main/kotlin/g0201_0300/s0212_word_search_ii/Solution.kt

@@ -6,13 +6,14 @@ package g0201_0300.s0212_word_search_ii
 @Suppress("NAME_SHADOWING")
 class Solution {
     private var root: Tree? = null
-    fun findWords(board: Array<CharArray>, words: Array<String?>): List<String> {
-        if (board.size < 1 || board[0].size < 1) {
+
+    fun findWords(board: Array<CharArray>, words: Array<String>): List<String> {
+        if (board.isEmpty() || board[0].isEmpty()) {
             return emptyList()
         }
         root = Tree()
         for (word in words) {
-            Tree.addWord(root, word!!)
+            Tree.addWord(root, word)
         }
         val collected: MutableList<String> = ArrayList()
         for (i in board.indices) {

src/test/kotlin/g0101_0200/s0175_combine_two_tables/MysqlTest.kt

@@ -34,7 +34,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0201_0300/s0212_word_search_ii/SolutionTest.kt

@@ -13,7 +13,7 @@ internal class SolutionTest {
             charArrayOf('i', 'h', 'k', 'r'),
             charArrayOf('i', 'f', 'l', 'v'),
         )
-        val words = arrayOf<String?>("oath", "pea", "eat", "rain")
+        val words = arrayOf<String>("oath", "pea", "eat", "rain")
         val expected: MutableList<String> = ArrayList()
         expected.add("oath")
         expected.add("eat")
@@ -23,7 +23,7 @@ internal class SolutionTest {
     @Test
     fun findWords2() {
         val board = arrayOf(charArrayOf('a', 'b'), charArrayOf('c', 'd'))
-        val words = arrayOf<String?>("abcb")
+        val words = arrayOf<String>("abcb")
         assertThat(Solution().findWords(board, words), equalTo(emptyList()))
     }
 }

src/test/kotlin/g0201_0300/s0262_trips_and_users/MysqlTest.kt

@@ -53,7 +53,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0501_0600/s0511_game_play_analysis_i/MysqlTest.kt

@@ -34,7 +34,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0501_0600/s0550_game_play_analysis_iv/MysqlTest.kt

@@ -39,7 +39,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0501_0600/s0584_find_customer_referee/MysqlTest.kt

@@ -29,7 +29,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0601_0700/s0602_friend_requests_ii_who_has_the_most_friends/MysqlTest.kt

@@ -31,7 +31,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0601_0700/s0607_sales_person/MysqlTest.kt

@@ -49,7 +49,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(

src/test/kotlin/g0601_0700/s0610_triangle_judgement/MysqlTest.kt

@@ -27,7 +27,7 @@ internal class MysqlTest {
     @Test
     @Throws(SQLException::class, FileNotFoundException::class)
     fun testScript(@EmbeddedDatabase dataSource: DataSource) {
-        dataSource.getConnection().use { connection ->
+        dataSource.connection.use { connection ->
             connection.createStatement().use { statement ->
                 statement.executeQuery(
                     BufferedReader(