# ProblemGroup

@Incubating
@Immutable
abstract class ProblemGroup(source)

Represents a group of problems.

Groups are organized in hierarchy where the parent group should represent the more broad problem group.

Two problem groups are considered equal if their getName and their parents are equal.

#### Since

8.8

#### See also

ProblemId

## Functions

create
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open fun create(name: String, displayName: String): ProblemGroup
Creates a new root problem group i.e.
open fun create(name: String, displayName: String, @Nullable parent: @Nullable ProblemGroup): ProblemGroup
Creates a new problem group.
getDisplayName
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abstract fun getDisplayName(): String
Returns a human-readable label describing the group.
getName
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abstract fun getName(): String
The name of the problem group.
getParent
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@Nullable
abstract fun getParent(): @Nullable ProblemGroup
Returns the parent group or `null` for root groups.