摘要：
package com.yz9 import org.junit.Test import scala.collection.mutable.ListBuffer class test { @Test def test1(): Unit ={ val abc = new Abc[String,Int] 阅读全文
摘要：
package com.yz8 import org.junit.Test class test { @Test def test: Unit = { val ints = List(1,5,7,6,8) println(ints.head)//1 println(ints.tail)//List( 阅读全文