Initial knowledge java--Programming dot

Requirement: Enter a string to determine if the string contains an uppercase ' A '

Note: This is a nice little trick when you're not learning Java in depth.

1 import Java.util.Scanner;2 3  Public classChars_compare {4      Public Static voidMain (string[] args) {5 6Boolean Is_con =false ; 7System. out. println ("prompt, enter a string:");8Scanner sc =NewScanner (System.inch);9String toString =Sc.next (); //input string Ten         Char[] Any_char =Tostring.tochararray ();// . ToCharArray method: Convert a string to a string array  One          A          for(inti =0; I < any_char.length;i++){ -             if(Any_char [i] = ='A'){ -Is_con =true ; the             } -         } -          -         if(Is_con) { +System. out. println ("The string contains the letter ' A '"); -}Else { +System. out. println ("no letter ' A ' in the string"); A         } at          -     } -}

Initial knowledge java--Programming dot