Kotlin for loop: in、 until、 step、 downTo

 

 

fun loop1() {for (i in 0..5) {print("$i ")}println("\n1-end\n")
}fun loop2() {for (i in 0 until 5) {print("$i ")}println("\n2-end\n")
}fun loop3() {for (i in 0 until (5)) {print("$i ")}println("\n3-end\n")
}fun loop4() {for (i in 0..5 step 2) {print("$i ")}println("\n4-end\n")
}fun loop5() {for (i in 5 downTo 0) {print("$i ")}println("\n5-end\n")
}fun main(args: Array<String>) {loop1()loop2()loop3()loop4()loop5()
}

 

 

0 1 2 3 4 5 
1-end0 1 2 3 4 
2-end0 1 2 3 4 
3-end0 2 4 
4-end5 4 3 2 1 0 
5-end

 

 

 

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