He! i need someone who is really good at java coding to help me out! Given a string str and an int len, return the first len characters from str. If there are not len characters in str, return the entire string.

firstNCharacters( "Hello", 2 ) => "He"
firstNCharacters( "Hello", 3 ) => "Hel"
firstNCharacters( "Howdy", 1 ) => "H"
firstNCharacters( "Hi", 7 ) => "Hi"
firstNCharacters( "This One", 0 ) => ""

Which of the following methods could be considered a “best practice” in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured. respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member’s office. the investigator uses the informed consent process to explain her institution’s method for guaranteeing absolute confidentiality of research data. the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents’ ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.

Primary tech skills are skills that are necessary for success in online education

1. which of the following is a search engine? a) mozilla firefox b)internet explorer c)google d)safari 2. which of the following statements is true? a) all search engines will provide the same results when you enter the same query. b) all search engines use the same amount of advertisements. c) some search engines are also browsers. d) search engines often provide different results, even when you enter the same query.