To create a directory in Java if it does not exist, you can use the java.nio.file.Files class and its createDirectory method.
To send an HTTP GET request in Java, you can use the java.net.URL and java.net.HttpURLConnection classes.
To get a substring from a string in Java up until a certain character, you can use the indexOf method to find the index of the character and then use the substring method to extract the substring.
C++ is generally considered to be a faster and more performant language than Java or C#.
The java.net.SocketTimeoutException: Connection timed out error usually occurs when a client is trying to connect to a server, but the connection request is taking too long to complete.
To return an array in Java, you can simply specify the array type as the return type of the method.
Yes, you can add jars to the Maven build classpath without installing them.
To accept a server's self-signed SSL certificate in a Java client, you can create a custom javax.net.ssl.X509TrustManager and use it to override the default trust manager.
To get the month integer from a java.util.Date object in Java, you can use the getMonth() method of the java.util.Calendar class.
To parse a JSON object in Java, you can use the org.json library.