MEGAAA

MyAwesomeList.java

enum Some {
  One,
  Two,
  Three
}

class Thing {
  public String name, password, another;
  public Some thing;
}

static void main (String... args) {
  final Thing thing1 = new Thing();
  thing1.name = "abc";
  thing1.password = "def";
  thing1.another = "ghi";
  thing1.thing = Some.One;
  
  final Thing thing2 = new Thing();
  thing2.name = "123";
  thing2.password = "456";
  thing2.another = "789";
  thing2.thing = Some.Two;
  
  MyAwesomeList<Thing> things = new MyAwesomeList() {{
    add(thing1);
    add(thing2);
  }}
  
  // return thing2
  Thing result1 = things.get("name", "123");
  // return false, because we have only Some.One and Some.Two in thing1 and thing2
  boolean result2 = things.contains("thing", Some.Three);
  // remove thing1 because it have password property with abc value and return true
  boolean result3 = things.remove("password", "abc");
}