How Can I Add One Day to a Date in Java?

Adding One Day to a Date

Adding a day to a date in Java can be achieved using various approaches:

Solution 1: Using the Calendar Class

The Calendar class provides methods for adding or subtracting days to a Date object:

Date dt = new Date();
Calendar c = Calendar.getInstance();
c.setTime(dt);
c.add(Calendar.DATE, 1);
dt = c.getTime();

Solution 2: Using Joda-Time Library

Joda-Time library offers a rich API for date manipulation. With Joda-Time, you can add a day as follows:

Date dt = new Date();
DateTime dtOrg = new DateTime(dt);
DateTime dtPlusOne = dtOrg.plusDays(1);

Solution 3: Using JSR 310 (Java 8)

Java 8 introduced JSR 310, a new date and time API. With JSR 310, you can add a day as follows:

Date dt = new Date();
LocalDateTime.from(dt.toInstant()).plusDays(1);

Solution 4: Using Apache Commons DateUtils

The Apache Commons DateUtils class provides utility methods for date manipulation. To add a day, you can use:

Date dt = new Date();
dt = DateUtils.addDays(dt, 1)

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