Unable to compile Java program from CMD [duplicate]

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• What does a “Cannot find symbol” compilation error mean? 5 answers

i have made a file youtube.java in C:test> but I'm to compile using cmd

I have set the path in environmental variables

C:Program FilesJavajdk1.8.0_92bin

I have code all the coding as given below

class apples{
     public static void main(string args[]){
      system.out.println("hello youtube!");
     }
}

but when I go for compile in cmd error comes as give below

youtube.java:2: error: cannot find symbol
 public static void main(string args[]){
                         ^
  symbol:   class string
  location: class apples
youtube.java:3: error: package system does not exist
  system.out.println("hello youtube!");
        ^
2 errors

PLease help me getting out of this