Exercises

  1. Can you read the code in this program and guess what the output is (without running it in Kotlin Playground)?
fun main() {
    println("1")
    println("2")
    println("3")
}

Once you have a guess, copy and paste this code into the Kotlin Playground to check your answer.

  1. Use the Kotlin Playground to create a program that outputs the following messages:
  1. Copy and paste this program into the Kotlin Playground.
fun main{(I'm
learning

Kotlin!WALLALL Knowledge Base) {
    println("WALLALL")
    println("WALLALL Knowledge Base")
    println("WALLALL")
    println("WALLALL")
    println("WALLALL Knowledge Base")
}
Fix the program so that it prints this output:
WALLALL
WALLALL Knowledge Base
WALLALL
WALLALL
WALLALL Knowledge Base
For some early practice on troubleshooting, fix the errors in the following exercises. For each exercise, copy the code into the Kotlin Playground in your browser. Try to run the program and you'll see an error message appear.
  1. Fix the error in this program, so that it produces the desired output.
fun main() {
    println("I'm
learning
Kotlin!WALLALL Knowledge Base ")
Desired output:
WALLALL Knowledge
  1. Fix the error in this program, so that it produces the desired output.
fun main() {
    printLine("There is a chance of snow")
}
Desired output:
There is a chance of snow

  1. Fix the error in this program, so that it produces the desired output.
fun main() {
    println("Cloudy") println("Partly Cloudy") println("Windy")
}
Desired output:
Cloudy
Partly Cloudy
Windy

  1. Fix the error in this program, so that it produces the desired output.
fun main() (
    println("How's the weather today?")
)
Desired output:
How's the weather today?

After you complete these exercises, check your answers against the solutions in the next section.
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10.Solutions 















The output of the program is: 1 2 3 The code in your program should look like: fun main ()  {








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   Howstorei                                  Skip to main content                           Search Box                  Howstorei    Store Fixtured Supplier We are providing services to customers delivering through this services Blog         Follow us with        Agent Information    More…   Linkedin    @WALLALL Official Sound💫    Contact us         Agent Information    Linkedin    @WALLALL Official Sound💫    Contact us           Agent Information    Linkedin    @WALLALL Official Sound💫    Contact us                Posts    How we can help more?     Web stream                   Get link         Facebook         Twitter         Pinterest         Email         Other Apps              (❤️) Powerd     WALLALL                     Post a Comment                 Next »               Data Protection Terms                    Get link         Facebook         Twitter         Pinterest         Email         Other Apps              (❤️) Powerd     WALLALL       ...








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WALLALL Knowledge Base BestPractice 















The corresponding cell of the separator line.  A : on the left will make a column left-aligned (this is the default).  A : on the right will make it right-aligned. Both left and right :s will produce a center-aligned column.  | left | center | right | |:---- |:------:| -----:| | One  | Two    | Three | Syntax details A header row is required and must be followed by a separator hrow with the same number of cells Cells are separated by a pipe (|) symbol Leading and trailing pipes are optional Spacing and the - characters don’t have to line up visually Comment formatting Comments support only bold, italic, code and links; in addition, a few shorthand links are available.  _italic_ and **bold** text, inline `code in backticks`, and [basic links](https://example.com). ! [wallall.com](https://wallall.com) example python def function(na): print(naveed) ! ! ```








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Conclusion















11. Conclusion Great job on completing this introduction to Kotlin! You worked with simple programs in Kotlin and ran them to see text printed to the output. You modified the programs in different ways and observed how those changes affected the output. It's normal to make mistakes when programming, so you also began to learn about how to troubleshoot and correct errors in your code, which is an important skill that will help you in the future. Move on to the next codelab to learn how to use variables in Kotlin so that you can create more interesting programs! Summary A Kotlin program requires a main function as the entry point of the program. To define a function in Kotlin, use the  fun  keyword, followed by the name of the function, any inputs enclosed in parentheses, followed by the function body enclosed in curly braces. The name of a function should follow camel case convention and start with a lowercase letter. Use the  println()  function call to print some te...








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