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Duplicate string literal

Reports string literals that are replicated unchanged throughout the project. Two quick-fixes are provided. One to introduce a constant for a duplicated string and use it throughout the project, and one to show the location of all the duplicates of a particular string literal.

Example:

class C1 { String CONST1 = "duplicate string"; } class C2 { String CONST2 = "duplicate string"; }

Configure the inspection:

  • Use the Min string length field to set the minimal string length required to detect duplicates.

  • Use the Ignore @PropertyKey expressions option to ignore strings passed as arguments to methods annotated with org.jetbrains.annotations.PropertyKey.

Inspection options

Option

Type

Default

Min string length

Number

5

Ignore @PropertyKey expressions

Checkbox

false

Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for JVM 2023.3

Plugin:

Java Internationalization, 233.SNAPSHOT

Last modified: 13 July 2023