How to Efficiently Check if a Date Falls Within a Range in Java?

Determining Date Range Inclusion Using Java

In Java, checking if a date falls within a defined range requires careful consideration. While methods like Date.before() and Date.after() provide basic date comparison, they may not offer the most straightforward approach.

To simplify this task, consider the following pseudocode:

boolean isWithinRange(Date testDate) {
    return testDate >= startDate && testDate <= endDate;
}

However, it's important to note that this approach may not account for timestamp considerations. Dates retrieved from databases often contain timestamps.

Solution:

To handle timestamps and ensure accurate comparison, the following code can be used:

boolean isWithinRange(Date testDate) {
    return !(testDate.before(startDate) || testDate.after(endDate));
}

This solution returns true if testDate is within the specified range, including both startDate and endDate. It avoids using the conditional and operator (&&) to ensure equality is correctly handled.

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