関連ワード:  java get first and last character of string    java first and last character of string    java replace first and last character of string    java delete first and last character of string    java get first character of string    java get first 2 character of string    java get first n characters of string    java get first 3 characters of string    java get first two characters of string    java get first 4 characters of string  
結果 : java get first and last character of string