在此程序中,您将学习在Kotlin中创建金字塔,半金字塔,倒金字塔,Pascal三角形和Floyd三角形。
源代码列表 |
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使用*,数字和字符打印三角形的代码 |
使用*和数字打印倒三角形的代码 |
打印完整金字塔的代码 |
打印帕斯卡三角形的代码 |
打印弗洛伊德三角形的代码 |
以下是等效的Java代码:创建金字塔和图案的Java程序
* * * * * * * * * * * * * * *
源代码
fun main(args: Array<String>) { val rows = 5 for (i in 1..rows) { for (j in 1..i) { print("* ") } println() } }
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源代码
fun main(args: Array<String>) { val rows = 5 for (i in 1..rows) { for (j in 1..i) { print("$j ") } println() } }
A B B C C C D D D D E E E E E
源代码
fun main(args: Array<String>) { val last = 'E' var alphabet = 'A' for (i in 1..last - 'A' + 1) { for (j in 1..i) { print("$alphabet ") } ++alphabet println() } }
* * * * * * * * * * * * * * *
源代码
fun main(args: Array<String>) { val rows = 5 for (i in rows downTo 1) { for (j in 1..i) { print("* ") } println() } }
1 2 3 4 5 1 2 3 4 1 2 3 1 2 1
源代码
fun main(args: Array<String>) { val rows = 5 for (i in rows downTo 1) { for (j in 1..i) { print("$j ") } println() } }
* * * * * * * * * * * * * * * * * * * * * * * * *
源代码
fun main(args: Array<String>) { val rows = 5 var k = 0 for (i in 1..rows) { for (space in 1..rows - i) { print(" ") } while (k != 2 * i - 1) { print("* ") ++k } println() k = 0 } }
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源代码
fun main(args: Array<String>) { val rows = 5 var k = 0 var count = 0 var count1 = 0 for (i in 1..rows) { for (space in 1..rows - i) { print(" ") ++count } while (k != 2 * i - 1) { if (count <= rows - 1) { print((i + k).toString() + " ") ++count } else { ++count1 print((i + k - 2 * count1).toString() + " ") } ++k } k = 0 count = k count1 = count println() } }
* * * * * * * * * * * * * * * * * * * * * * * * *
源代码
fun main(args: Array<String>) { val rows = 5 for (i in rows downTo 1) { for (space in 1..rows - i) { print(" ") } for (j in i..2 * i - 1) { print("* ") } for (j in 0..i - 1 - 1) { print("* ") } println() } }
1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 10 10 5 1
源代码
fun main(args: Array<String>) { val rows = 6 var coef = 1 for (i in 0..rows - 1) { for (space in 1..rows - i - 1) { print(" ") } for (j in 0..i) { if (j == 0 || i == 0) coef = 1 else coef = coef * (i - j + 1) / j System.out.printf("%4d", coef) } println() } }
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源代码
fun main(args: Array<String>) { val rows = 4 var number = 1 for (i in 1..rows) { for (j in 1..i) { print("$number ") ++number } println() } }