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java.util.Collections

java.util.Collections is a utility class that serves as a wrapper or auxiliary to the java.util.Collection interface^[600-developer__java__java-base__java-util.md]. It is part of the standard Java library located in the java.util package, functioning as a counterpart to the core Collection interface to provide additional functionality^[600-developer__java__java-base__java-util.md].

Relationship to java.util.Collection

In the Java naming convention for utility classes, a singular class name (e.g., Collection) typically represents an interface or core type, while the pluralized form (e.g., Collections) generally denotes a helper or utility class containing static methods^[600-developer__java__java-base__java-util.md]. Therefore, Collections is the utility counterpart to the Collection interface^[600-developer__java__java-base__java-util.md].

  • [[java.util.Collection]]
  • [[java.util.Objects]]
  • [[java.util.Arrays]]

Sources

^[600-developer__java__java-base__java-util.md]