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Duplicate branches in 'switch'

Reports switch statements or expressions that contain the same code in different branches and suggests merging the duplicate branches.

Example:

switch (n) { case 1: System.out.println(n); break; case 2: System.out.println(n); break; default: System.out.println("default"); }

After the quick-fix is applied:

switch (n) { case 1: case 2: System.out.println(n); break; default: System.out.println("default"); }

New in 2019.1

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024