How should I practice Is This Date a Weekend??

Start by reading the full statement, solve the visible examples, then compare the pattern against related Salesforce online assessment problems in FastPrep.

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Problem · String

Is This Date a Weekend?

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Problem statement

Given a valid calendar date date in exact YYYY-MM-DD form, return true if it falls on Saturday or Sunday. Return false if it falls on Monday through Friday.

Interpret the date with the proleptic Gregorian calendar. The result depends only on the calendar date, not on a time zone or locale.

Function

isWeekend(date: String) → boolean

Examples

Example 1

date = "2024-06-15"return = true

June 15, 2024 is a Saturday, so the result is true.

Example 2

date = "2024-06-17"return = false

June 17, 2024 is a Monday, so the result is false.

Example 3

date = "2000-01-02"return = true

January 2, 2000 is a Sunday, so the result is true.

Constraints

date has exactly ten characters in YYYY-MM-DD form.
The year is between 0001 and 9999, inclusive.
date is valid under the proleptic Gregorian calendar.