示例3# Python isalpha() method example # Variable declaration str = "Javatpoint" if str.isalpha() == True: print("String contains alphabets") else: print("Stringn contains other chars too.") Python Copy输出:String contains alphabets Python Copy...
java.util.Date java.util.Iterator java.util.concurrent.TimeUnit java.util.regex.Pattern java.net.URL java.io.FileInputStream java.text.SimpleDateFormat java.util.Locale java.lang.reflect.Method java.util.regex.Matcher java.util.Properties java.util.UUID java.util.stream.Collector...