Exlipse operates on multiple rows at the same time. For example, input the same text in multiple lines and columns at the same time

First select the row to be operated , Press at the same time shift+alt+a, The selected text will be enclosed , The mouse will turn into a cross , Hold down the left mouse button , Drag up and down at the corresponding position of input text , A vertical bar will appear , At this point, you can start to input text , And all the selected lines have , Isn't that amazing .

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