Compare two times in java

Compare time in java

for ( Map.Entry<DayOfWeek , LocalTime> entry : dayToTimeMap.entrySet () ) {
    DayOfWeek key = entry.getKey ();
    LocalTime value = entry.getValue ();
    int comparison = key.compareTo ( today );
    if ( comparison < 0 ) { // if earlier day…
        earlier.add ( key );
    } else if ( comparison == 0 ) { //If same day…
        if ( value.isBefore ( now ) ) {
            earlier.add ( key );
        } else {  // Else same time as now or later than now…
            later.add ( key );
        }
    } else if ( comparison > 0 ) {
        later.add ( key );
    } else {
        throw new RuntimeException ( "Unexpectedly reached IF-ELSE for comparison: " + comparison );
    }
}

Source: stackoverflow.com

Compare two times in java

String startTime = "10:00";
    String endTime = "12:00";
    SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
    Date d1 = sdf.parse(startTime);
    Date d2 = sdf.parse(endTime);
    long elapsed = d2.getTime() - d1.getTime(); 
    System.out.println(elapsed);

Source: stackoverflow.com

Similar codes

1 vote149 views1 answer
Attempt to invoke virtual method 'int java.util.Random.nextInt(int)' on a null object reference
Java
2 votes216 views10 answers
Test
Java
1 vote165 views1 answer
How to resize image in android programmatically
Java
0 vote183 views1 answer
Javax dependency android
Java
-1 vote140 views1 answer
Java 8 stream add to list
Java
5 votes141 views2 answers
List to int array in java 8
Java
13 votes155 views1 answer
Convert object array to list java 8
Java
0 vote196 views1 answer
Update role spring security
Java Spring
0 vote149 views1 answer
How to use auto generated id in java
Java
11 votes155 views1 answer
Declare a hashmap in java
Java