摘要：
java se:java standard Editionjava me:java mobile editionjava ee:java enterprise editorjdk:java development kit(java开发必备)jre:java runtime enviromnet(java执行环境)java程序:编译（javac +）,运行(java +)例子一:public class Test1{ public static void main(String[] args) { System.out.println("hello world!"); }}. 阅读全文
