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With TextInput class the user can define the custom component of text entry through the keypad. Specification gives examples of a custom Text Field and custom Text Box.

The text input has the mode parameter. We can set the text to be following modes

• INPUT_MODE_UPPERCASE_FIRST: First character is capitalized. Example: J2mesalsa.
  
• INPUT_MODE_UPPERCASE_ALL: All characters are capitalized. example: J2MESALSA
  
• INPUT_MODE_LOWERCASE: All characters are lowercase. Example: j2mesalsa
  
• INPUT_MODE_NUMERIC: All characters are numeric. Example: 1234
  
• INPUT_MODE_PREDICTIVE: Predictive text input mode, Different mobile vendors use different predictive text technologies. the most popular predictive input technology is T9.

Use constructor TextInput() to create the TextInput object.

To set the mode use method setInputMode(int mode)

javax.microedition.lcdui.TextInputListener can be used to track the text inputs using TextInputListener.textInputChanged() There are lots of other useful methods. Go through specifications to study all the methods.

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