Continuing the discussion from FAQ: Learn Java: Variables - Static Checking:
With discipline and hard work, you can learn programming regardless of whether you are a dropout or a graduate. Don’t tear yourself down by thinking you are not smart. It takes time to learn new things. Don’t compare yourself to others. Everyone learns at his/her own pace.
Concatenation is an unusual word and is not used in our everyday conversations, so it is okay to not know the meaning of the word. I didn’t know it when I first encountered it. When you see an unfamiliar term, do a web search. If you google the word, you can see its definition and hear its pronunciation (https://www.dictionary.com/browse/concatenate). In programming it means https://www.computerhope.com/jargon/c/concaten.htm
In the statement mentioned by you, we are concatenating three strings together.
- ’ ’
'string1 string2' which results by combining the three strings together.