Java library (the API) - ilya-khadykin/notes-outdated GitHub Wiki

ArrayList

Package - java.util

import java.util.ArrayList;

ArrayLists are parameterized - ArrayList<String>, type parameter is declared in < >

Methods:

  • add(Object elem)
  • remove(int Index)
  • remove(Object elem)
  • contains(Object elem)
  • isEmpty()
  • indexOf(Object elem)
  • size()
  • get(int index)
ArrayList<Egg> myList = new ArrayList<Egg>(); // Egg - name of the object

Egg s = new Egg();
myList.add(s);

References

  1. Head First Java, 2nd Edition
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