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Tag: java

Sort a Map<Integer, Map> by value length

I want to sort a Map by value length. For example, I have this code: and the result is: so what I want to do is to sort this Map by value length, so it returns: Answer You can use Streams to do this: Basicly you just need a custom Comparator which will get the value of a Map.Entry and

How to add items to array of objects using loops

I’ve got a multiple student objects I want to write into with a CSV file containing their details. I’ve set each row of the CSV file to an array then was going to split each entry of the array into another array and use that to set the attributes of the object. However, each time I try, I get a

Does line length affect performance? [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 10 months ago. Improve this question I have very long lines using lambda. Also, for example, I combined two loops with a condit…

Print to a specific point in the terminal

I have a method that prints an upload progress like this: 36% [=================> ] 210,81 KB/s To rewrite the line, I use the escape charachter ‘r’, which sets the “cursor” to the beginnig of the line. Everything works as intended, but when i shrink down enough the terminal, it wil…