Common Libraries/classes

Object

• Always overide equals, toString, hascode

  • use a library to do this ie apache??? or guava???

equals()

toString()

hashcode()

clone()

String

Common methods

• toLowerCase() or toUpperCase()

  • useful for comparasions

• split()

  • use regex to split by, ie by , or whitespace

Links

• https://self-learning-java-tutorial.blogspot.co.uk/2014/07/basic-java.html

  • Third way down page

String Builder

????

REGEX

????

ArrayList/List

See

Map/HashMap

See

ZoneDateTime

See