I was wondering what the best way of printing a 2D array was. This is some code that I have and I was just wondering if this is good practice or not. Also correct me in any other mistakes I made in this code if you find any. Thanks!
incListener and declListener are classes, not methods. Try btw, rename your classes names to make them start with an uppercase
The handshake failure could have occurred due to various reasons: Incompatible cipher suites in use by the client and the server. This would require the client to use (or enable) a cipher suite that is supported by the server. Incompatible versions of SSL in use (the server might accept only TLS v1, while the client … Read more
The API document of readLine() method says as below You are supposed to handle this exception or just use the hasNextLine() method to avoid the exception.
Self plug: I have just released a new Java HTML parser: jsoup. I mention it here because I think it will do what you are after. Its party trick is a CSS selector syntax to find elements, e.g.: See the Selector javadoc for more info. This is a new project, so any ideas for improvement are very welcome!
The documentation explains it pretty well: An instance of HashMap has two parameters that affect its performance: initial capacity and load factor. The capacity is the number of buckets in the hash table, and the initial capacity is simply the capacity at the time the hash table is created. The load factor is a measure of how … Read more
This should work as is, and has nothing to do with IntelliJ idea. But I would: make sure the @Data annotation is the lombok one remove the repository definition (maven central is fine) use a recent lombok version (1.16.0 as of this writing) rebuild (mvn clean package) I think the lombok jar is not found by maven in … Read more
Just use the appropriate method: String#split(). Note that this takes a regular expression, so remember to escape special characters if necessary. there are 12 characters with special meanings: the backslash \, the caret ^, the dollar sign $, the period or dot ., the vertical bar or pipe symbol |, the question mark ?, the asterisk or star *, the plus sign +, the opening parenthesis (, the closing … Read more
I was reading a book on Java and came across an example in which an array of type double was initialized in a way that I haven’t seen before. What type of initialization is it and where else can it be used?