00// 01 02 03 04 : ( ) { } . -> , + = & apply plugin from classpath dir debug release include buildscript dependencies repositories allprojects flatDir main sdk common test configurations module idea javadoc jackOptions if else assert int String jcenter mavenCentral 00' 01 02' 03[ 04 05] 06${ 07 08} 09" 10 11" 12 13 14 15 16 17 18 19 20 21 22 23