View difference between Paste ID: HXaU82Zs and brnbjfQN

 public class Test {
 
     public static void main(String[] args) {
-        Outer.Static.method();
+        Outer.Static.method(); // -> in static class
         Outer instance = new Outer();
-        instance.field.method();
+        instance.field.method(); // -> in non-static class
 
     }
 
 }
 
 class Outer {
 
     static class Static {
 
         static void method() {
             System.out.println("In static class");
         }
     }
 
     NonStatic field = new NonStatic();
 
     class NonStatic {
 
         void method() {
             System.out.println("In non-static class");
         }
     }
 
 }