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print(intList.plus(6)) // will print [1, 3, 4, 6]

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print(intList.minus(3)) // will print [1, 4]

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val personsHashMap: java.util.HashMap<Int, String> = hashMapOf(1 to "Chike", 2 to "John", 3 to "Emeka")
personsHashMap.put(4, "Chuka") 
personsHashMap.remove(2)
print(personsHashMap[1]) // will print Chike

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val postalCodesHashMap: java.util.LinkedHashMap<String, String> =
linkedMapOf("NG" to "Nigeria","AU" to "Australia","CA" to "Canada")
postalCodesHashMap.put("NA", "Namibia")
postalCodesHashMap.remove("AU")
postalCodesHashMap.get("CA") // Canada

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print(intList.average()) // will print 2.6666666666666665

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package com.chikekotlin.projectx
 
class MyClass

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package com.chikekotlin.projectx
 
fun saySomething(): String {
    return "How far?"
}

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import com.chikekotlin.projectx.saySomething
 
fun main(args: Array<String>) {
    saySomething() // will print "How far?"
}

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import com.chikekotlin.projectx.*

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import com.chikekotlin.projectx.saySomething
import com.chikekotlin.projecty.saySomething as projectYSaySomething
 
fun main(args: Array<String>) {
    projectYSaySomething() 
}