Programming practice of New Ket Network Marathon: Database connection pool

Only two variables are required, one maintains the current number of connections for the connection pool, and one maintains the maximum number of connections for the connection pool.

AC Code:

Import Java.util.arraylist;import java.util.list;import java.util.scanner;/** * @author CC11001100 */public class Main { public static void Main (string[] args) {Scanner sc = new Scanner (system.in), while (Sc.hasnextline ()) {int n = sc.nextint () ; Sc.nextline (); list<string> operators = new arraylist<> (), while (n--> 0) {operators.add (Sc.nextline ());} SYSTEM.OUT.PRINTLN (Resolve (Operators));}}  private static int Resolve (list<string> operators) {int maxconnection = 0;int nowconnection = 0;for (String operator : Operators) {if (Operator.contains ("disconnect")) {nowconnection++;} else if (Operator.contains ("Connect")) {if ( Nowconnection <= 0) {maxconnection++;} else {nowconnection--;}}} return maxconnection;}}

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Programming practice of New Ket Network Marathon: Database connection pool