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Contents

Class: Toybox::Lang::String


Overview

All String objects represent a sequence of characters. The String object provides methods for string operations.

  • Since : 1.0.0

Instance Method Summary

  • (Boolean) equals(that) : Test if this instance is equal to another instance of an Object with equals().
  • (Number) find(string) : Use find() to determine if the passed String exists in this String.
  • (Number) hashCode : Use hasCode() to get a hash code value for the String.
  • (Number) length : Use length() to get the number of characters in the String.
  • (String) substring(startIndex, endIndex) : Use subString() to create a new String that contains the contents of the current string from start position to end position, exclusive.
  • (Float) toFloat : If a string is in the numeric form of “123” or “123.45”, convert it to a Float object with toFloat().
  • (String) toLower : Convert the String to lower case with toLower().
  • (Number) toNumber : If a string is in numeric form, either “123” or “0x12AB”, convert it to a Number object with toNumber().
  • (Object) toString : Convert to a String with toString().
  • (String) toUpper : Convert the String to upper case with toUpper().

Instance Method Details

(Boolean) equals(that)


Test if this instance is equal to another instance of an Object with equals().

Parameters:

   that —

   That item to test against

  • Returns : (Boolean) true if the objects are equal, false otherwise
  • Since : 1.0.0

(Number) find(string)


Use find() to determine if the passed String exists in this String.

Parameters:

   string (String) —

   String to find

  • Returns : (Number) index Index of the start of string or null if not found
  • Since : 1.0.0

  • (Number) hashCode

Use hasCode() to get a hash code value for the String.

Returns:

   (Number) —

   Hash code for the String

Since:

   1.0.0

  • (Number) length

Use length() to get the number of characters in the String

Returns:

   (Number) —

   The length of the String

Since:

   1.0.0

  • (String) substring(startIndex, endIndex)

Use subString() to create a new String that contains the contents of the current string from start position to end position, exclusive.

Parameters:

   startIndex (Number) —

   Zero based start index of the substring
   endIndex (Number) —

   End position of the substring, exclusive

Returns:

   (String) —

   The substring of String or null on error

Since:

   1.0.0

  • (Float) toFloat

If a string is in the numeric form of “123” or “123.45”, convert it to a Float object with toFloat().

Returns:

   (Float) —

   A Float object, or error

Since:

   1.0.0

  • (String) toLower

Convert the String to lower case with toLower().

Returns:

   (String) —

   A new lower case String

Since:

   1.0.0

  • (Number) toNumber

If a string is in numeric form, either “123” or “0x12AB”, convert it to a Number object with toNumber().

Returns:

   (Number) —

   A Number object, or error

Since:

   1.0.0

  • (Object) toString

Convert to a String with toString().

Returns:

   String representation of String

Since:

   1.0.0

  • (String) toUpper

Convert the String to upper case with toUpper().

Returns:

   (String) —

   A new upper case String

Since:

   1.0.0

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最終更新:2016年03月02日 23:46