IntelliJ IDEA run highlighted code only

Question

How to run a highlighted code only in IntelliJ IDEA? Sometimes you don\'t need to run the whole file and wants to just run the some numbers of code. Are there any such choices i

Answer 1

It's possible to evaluate arbitrary expressions (Run | Evaluate Expression):

To evaluate a code fragment, click the Code Fragment Mode button and fill in the Code Fragment text box.

You can also use the Scratches feature.

Since version 15 Java scratches are runnable.