java入门课程一
java se:java standard Edition
java me:java mobile edition
java ee:java enterprise editor
jdk: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!");
}
}
javac Test.java(编译生成Test1.class)
java Test1(运行,生成的是类的名称)