用notepad++编译找不到或无法加载主类

zonghui

用notepad++编译找不到或无法加载主类
但是用命令提示符运行可以
public class Test4{
       
        public static void main(String args[]){
       
                int x=10;
                int y=20;
                int z=x+y;
               
                 System.out.println("a"+z);
}
}
<<< Process finished (PID=10676). (Exit code 0)
CD: C:\Users\86187\Desktop\Test
Current directory: C:\Users\86187\Desktop\Test
java ""
Process started (PID=4772) >>>
错误: 找不到或无法加载主类
原因: java.lang.ClassNotFoundException:
<<< Process finished (PID=4772). (Exit code 1)
================ READY ================

Hello.

https://blog.csdn.net/sinat_21843047/article/details/78549076