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Inconsistent whitespace indentation in text block

Reports text blocks that are indented using both spaces and tabs. Such cases produce unexpected results since spaces and tabs are treated equally by the text block processing.

In the following example, spaces and tabs are visualized as · and respectively, and a tab is equal to 4 spaces in the editor.

Example:

String colors = """ ········red ␉ ␉ green ········blue""";

After printing such a string, the result will be:

······red green ······blue

After the compiler removes an equal amount of spaces or tabs from the beginning of each line, some lines remain with leading spaces.

This inspection depends on the Java feature 'Text block literals' which is available since Java 15.

New in 2021.1

Inspection Details

Available in:

IntelliJ IDEA 2024.2, Qodana for JVM 2024.2,

Plugin:

Java, 242.SNAPSHOT

Last modified: 20 February 2024