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edited Jul 15, 2016 at 8:05

The best way to compare strings is use stringInstance.equals("what to compare"), so your code will be:

hei.equals("")

Also you can use length of string:

hei.getLengthlength() > 0

The best way to compare strings is use stringInstance.equals("what to compare"), so your code will be:

hei.equals("")

Also you can use length of string:

hei.getLength() > 0

The best way to compare strings is use stringInstance.equals("what to compare"), so your code will be:

hei.equals("")

Also you can use length of string:

hei.length() > 0

answered Jul 15, 2016 at 7:57

The best way to compare strings is use stringInstance.equals("what to compare"), so your code will be:

hei.equals("")

Also you can use length of string:

hei.getLength() > 0