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Kotlin Data Types

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The Char type in Kotlin is used to represent a single character. You declare a Char variable using single quotes around the character, such as 'A' or '1'. Unlike String, which can hold multiple characters, a Char always holds exactly one character. Valid Char values include letters, digits, symbols, or special escape characters.

Main.kt

Main.kt

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package com.example;

fun main() {
    val letterA: Char = 'A'
    val digitOne: Char = '1'
    val dollarSign: Char = '$'
    val newLine: Char = '\n'
    val tabChar: Char = '\t'

    println("Letter A: $letterA")
    println("Digit One: $digitOne")
    println("Dollar Sign: $dollarSign")
    println("New Line (shows as line break): [$newLine]")
    println("Tab Character (shows as tab space): [${tabChar}Tab]")
}

Escape characters allow you to represent special characters in a Char value using a backslash (\). For instance, \n represents a newline character, and \t represents a tab. In the code above, val newLine: Char = '\n' assigns the newline character to a variable, and val tabChar: Char = '\t' assigns the tab character. When you print these characters, they control formatting in the console output rather than displaying as visible symbols.

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Which of the following is a valid Char declaration in Kotlin?

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