Simplifiable forEach() call

Reports forEach() calls that can be replaced with a more concise method or from which intermediate steps can be extracted.

Example:

  List<String> findNStrings(List<String> list, int n) {
    List<String> other = new ArrayList<>();
    list.forEach(s -> {
      if(s.length() > n) other.add(s);
    });
    return other;
  }

After the quick-fix is applied:

  List<String> findNStrings(List<String> list, int n) {
    List<String> other = list.stream()
      .filter(s -> s.length() > n)
      .collect(Collectors.toList());
    return other;
  }

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.

SimplifyForEach

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.

This inspection depends on the Java feature 'Lambda methods in collections', which is available since Java 8.

New in 2017.3

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,
Can be installed with plugin:	Java, 243.23126

Last modified: 03 December 2024