/Java/Find number of weeks between two dates in java

Find number of weeks between two dates in java

Calculate number of years months and days between two dates in java

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		
Date birth = sdf.parse("2000-01-01");
Date now = new Date(System.currentTimeMillis());
		
Calendar c = Calendar.getInstance();
c.setTimeInMillis(now.getTime() - birth.getTime());
int y = c.get(Calendar.YEAR)-1970;
int m = c.get(Calendar.MONTH);
int d = c.get(Calendar.DAY_OF_MONTH)-1;

Find number of weeks between two dates in java

SimpleDateFormat myFormat = new SimpleDateFormat("dd MM yyyy");
String classStartData = "31 01 2021";
String classEndData = "08 03 2021";

Date dateClassStart = myFormat.parse(classStartData);
Date dateClassEnd = myFormat.parse(classEndData);

long differenceWeek = dateClassEnd.getTime() - dateClassStart.getTime();
int programLength = (int)(TimeUnit.DAYS.convert(differenceWeek, TimeUnit.MILLISECONDS)/7);
System.out.println("Class length in weeks: " +programLength);

Similar codes

0 vote282 views1 answer
How to activate an entity listener for all entities
Java
20 votes273 views4 answers
Android java toast
Java
0 vote259 views1 answer
Java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference
Java
0 vote277 views1 answer
>> vs >>> operators in java
Java
0 vote348 views1 answer
How to change the tomcat port in spring boot
Java Spring
0 vote287 views1 answer
Flutter webview plugin background transparent
Java
0 vote278 views1 answer
Textview set text bold programmatically
Java
-2 votes282 views1 answer
Java create new empty list
Java
0 vote326 views1 answer
Log4j with spring boot restful services
Java Spring
19 votes273 views6 answers
Flutter padding
Java