The minusHours() method of LocalTime class used to subtract specified no of Hours value from this LocalTime and return the result as a LocalTime object. This instant is immutable. The calculation wraps around midnight.
Syntax:
public LocalTime minusHours(long hoursToSubtract)
Parameters: This method accepts a single parameter hoursToSubtract which is the value of hours to be subtracted, it can be a negative value.
Return value: This method returns a LocalTime based on this time with the hours subtracted.
Below programs illustrate the minusHours() method:
Program 1:
// Java program to demonstrate// LocalTime.minusHours() method  import java.time.*;  public class GFG {    public static void main(String[] args)    {          // create a LocalTime object        LocalTime time            = LocalTime.parse("19:34:50.63");          // print LocalTime        System.out.println("LocalTime before subtraction: "                           + time);          // subtract 3 hours using minusHours()        LocalTime value = time.minusHours(3);          // print result        System.out.println("LocalTime after subtraction: "                           + value);    }} |
Output:
LocalTime before subtraction: 19:34:50.630 LocalTime after subtraction: 16:34:50.630
Program 2:
// Java program to demonstrate// LocalTime.minusHours() method  import java.time.*;  public class GFG {    public static void main(String[] args)    {          // create a LocalTime object        LocalTime time            = LocalTime.parse("01:00:01");          // print LocalTime        System.out.println("LocalTime before subtraction: "                           + time);          // subtract 7 hours using minusHours()        LocalTime value = time.minusHours(7);          // print result        System.out.println("LocalTime after subtraction: "                           + value);    }} |
Output:
LocalTime before subtraction: 01:00:01 LocalTime after subtraction: 18:00:01
References: https://docs.oracle.com/javase/10/docs/api/java/time/LocalTime.html#minusHours(long)
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