関連ワード:  last 4 digits of string java    last 4 digits of string javascript    last 4 characters of string javascript    last 4 characters of string java    get last 4 digits of string javascript    get last 4 digits of string java    get last 4 characters of string javascript    get last 4 characters of string java    print last 4 characters of string java    remove last 4 characters of string javascript