public class HelloWorld{
public static void main(String args[]){
System.out.println("Hello World!");
}
}
问题如下:
the selection can't be launched and there no recent launches。
public static void main(String args[]){
System.out.println("Hello World!");
}
}
问题如下:
the selection can't be launched and there no recent launches。
在java文件上右键-----》run as -----》java application就可以了。
to : xiaotianxiaoitan再说的详细点好吗?
2.设置环境变量
3.javac
4.java
或者你追截装个eclipse 以后肯定会用