Tabela Exercício 1 de Strings

Question	Answer
What is the length of the string below? String str = "Java Program"	12
With str as defined above, give a call to the substring method that returns the substring "gram".	str.substring(8)
Use the string concatenation operator to change the string variable str to contain the string "Java Programming".	str += "ming"
What does the following statement sequence print? String str = "Harry"; int n = str.length(); String mystery = str.substring(0, 1) + str.substring(n - 1, n); System.out.println(mystery);	Hy
Consider the following statement sequence. If the user provides the input John Q. Public, what is printed? If an error occurs, type error. Scanner in = new Scanner(System.in); String first = in.next(); String last = in.next(); System.out.println(last + ", " + first);	Q., John