java - String value not showing in output.setText -

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im trying show day name along date in app , text defined "text" shows fine , integer values show fine, not show text variable, have:

calendar = calendar.getinstance(); textview output3 = (textview) findviewbyid(r.id.output3);  int dayno = now.get(calendar.day_of_week); string dayname = new string();// tried string dayname = ""; same results if (dayno == 1) dayname = "sun"; if (dayno == 1) dayname = "mon"; if (dayno == 1) dayname = "tue"; if (dayno == 1) dayname = "wed"; if (dayno == 1) dayname = "thu"; if (dayno == 1) dayname = "fri"; if (dayno == 1) dayname = "sat";

also tried this:

if (dayno == 1) {dayname = "sun";} if (dayno == 1) {dayname = "mon";} if (dayno == 1) {dayname = "tue";} if (dayno == 1) {dayname = "wed";} if (dayno == 1) {dayname = "thu";} if (dayno == 1) {dayname = "fri";} if (dayno == 1) {dayname = "sat";}  output3.settext(hour + ":" + minute + ":" + second + " week " + weekno + ", " + dayname + ", " + yearno);

this result getting (middle text field has error) enter image description here

i can't figure out wrong here, appreciated

please change code follows:

calendar = calendar.getinstance(); textview output3 = (textview) findviewbyid(r.id.output3);  int dayno = now.get(calendar.day_of_week); string dayname = new string();// tried string dayname = ""; same results if (dayno == 1) dayname = "sun"; if (dayno == 2) dayname = "mon"; if (dayno == 3) dayname = "tue"; if (dayno == 4) dayname = "wed"; if (dayno == 5) dayname = "thu"; if (dayno == 6) dayname = "fri"; if (dayno == 7) dayname = "sat";

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