scala多种杨辉三角简洁输出方式
package com.li.chapter04 object Test04_Practice_Pyramid { def main(args: Array[String]): Unit = { for (i <- 1 to 9){ val stars = 2 * i - 1 val spaces = 9 - i println(" " * spaces + "*" * stars) } for (i <- 1 to 9; stars = 2 * i - 1; spaces = 9 - i){ println(" " * spaces + "*" * stars) } for (stars <- 1 to 17 by 2; spaces = (17 - stars) / 2){ println(" " * spaces + "*" * stars) } for(i <- 1 to 9 ; j = " "* (9 - i) + "*"*(i*2-1)){ println(j) } } }
D:\Java\jdk1.8.0_202\bin\java.exe "-javaagent:D:\JetBrains\IntelliJ IDEA 2021.2.2\lib\idea_rt.jar=62558:D:\JetBrains\IntelliJ IDEA 2021.2.2\bin" -Dfile.encoding=UTF-8 -classpath D:\Java\jdk1.8.0_202\jre\lib\charsets.jar;D:\Java\jdk1.8.0_202\jre\lib\deploy.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\access-bridge-64.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\cldrdata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\dnsns.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jaccess.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jfxrt.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\localedata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\nashorn.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunec.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunjce_provider.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunmscapi.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunpkcs11.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\zipfs.jar;D:\Java\jdk1.8.0_202\jre\lib\javaws.jar;D:\Java\jdk1.8.0_202\jre\lib\jce.jar;D:\Java\jdk1.8.0_202\jre\lib\jfr.jar;D:\Java\jdk1.8.0_202\jre\lib\jfxswt.jar;D:\Java\jdk1.8.0_202\jre\lib\jsse.jar;D:\Java\jdk1.8.0_202\jre\lib\management-agent.jar;D:\Java\jdk1.8.0_202\jre\lib\plugin.jar;D:\Java\jdk1.8.0_202\jre\lib\resources.jar;D:\Java\jdk1.8.0_202\jre\lib\rt.jar;E:\IdeaWorkspace_Java\scala_course\001_scala\target\classes;D:\tools\Scala\scala-2.12.11\lib\scala-library.jar;D:\tools\Scala\scala-2.12.11\lib\scala-reflect.jar com.li.chapter04.Test04_Practice_Pyramid * *** ***** ******* ********* *********** ************* *************** ***************** * *** ***** ******* ********* *********** ************* *************** ***************** * *** ***** ******* ********* *********** ************* *************** ***************** * *** ***** ******* ********* *********** ************* *************** *****************
