import java.util.HashMap; import java.util.Map; public class Logger { Map msgCount = new HashMap<>(); /** Initialize your data structure here. */ public Logger() { } /** * Returns true if the message should be printed in the given timestamp, otherwise returns false. * If this method returns false, the message will not be printed. * The timestamp is in seconds granularity. */ public boolean shouldPrintMessage( int timestamp, String message ) { if ( !msgCount.containsKey( message ) || msgCount.get( message ) < timestamp - 10 ) { // update msg msgCount.put( message, timestamp ); return true; } return false; } } /** * Your Logger object will be instantiated and called as such: * Logger obj = new Logger(); * boolean param_1 = obj.shouldPrintMessage(timestamp,message); */