In Eclipse, to import a single class, you may clicked on the class and press shortcut key “
Ctrl + Space” to prompt all the available classes to import. However, if you copied a Java source code from somewhere and more than 20+ classes are not import, are you going to press “
Ctrl + Space” one by one?
In above situation, Eclipse comes with a nice feature called “Organize Imports” to imports all the classes that are used, automatically.
A copied source code without imports.
To import above classes automatically, you can select “Source” > “Organize Imports” or press shortcut “Ctrl + Shift + O“. See result :