Possible heap pollution from parameterized vararg type

Reports methods with variable arity, which can be annotated as @SafeVarargs. The @SafeVarargs annotation suppresses unchecked warnings about parameterized array creation at call sites.

Example:

  public class Foo<T> {
    private List<T> list = new ArrayList<>();

    public final void safeVarargs(T... elements) {
      Collections.addAll(list, elements);
    }
  }

After the quick-fix is applied:

  public class Foo<T> {
    private List<T> list = new ArrayList<>();

    @SafeVarargs
    public final void safeVarargs(T... elements) {
      Collections.addAll(list, elements);
    }
  }

This annotation is not supported under Java 1.6 or earlier JVMs.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

unchecked

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.2, Qodana for JVM 2024.2,
Can be installed with plugin:	Java, 242.22892

Last modified: 11 September 2024