object Hello   {           def main(args :Array[String])           {                   var i = 1                   val k = i           }     }

jvm代码

public final class Hello$ {  public static Hello$ MODULE$;  public static {};    Code:       0: new           #2                  // class Hello$       3: invokespecial #12                 // Method "
        
         ":()V       6: return  public void main(java.lang.String[]);    Code:       0: iconst_1             1: istore_2             2: iload_2       3: istore_3       4: return}
        

-------Java

public class Hello2   {        public static void main(String args[])     {           int i = 1;           int k = i;     }     }

public class Hello2 {  public Hello2();    Code:       0: aload_0       1: invokespecial #1                  // Method java/lang/Object."
        
         ":()V       4: return  public static void main(java.lang.String[]);    Code:       0: iconst_1       1: istore_1       2: iload_1       3: istore_2       4: return}