1. CS170 ygao JAVA, C7

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14. Hierarchy Chart of GregorianCalendar Class
Object
Object
Date
Calendar
Locale
TimeZone
GregorianCalendar
SimpleTimeZone
Check to find out API
CS170 ygao JAVA, C7

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21. A complete example of using GregorianCalendar: GregorianRoll .java
CS170 ygao JAVA, C7

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25. DateFormat Class What is DateFormat class?
- abstract class inherited from java.text
- used as reference to format time and date
Why DateFormat class?
- convert milliseconds to string or vice versa
- display date in a variety of formats
CS170 ygao JAVA, C7

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