Calling a class from within another class:

[last updated: 2019-06-13]
go to: Java
go to: Java Notes
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• Suppose you create two class files (ie. compiled from their source files)
  that are in the same directory (for simplicity of avoiding dealing with (go to:) importing etc.)
• One of them (for this example I'll call it 'InnerClass') will be the one that holds the data,
  in a variable named 'x':
public class InnerClass {
   int x = 5;
}
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• The other one (for this example I'll call it 'OuterClass') will be the one that gets executed,
  ie. it has a 'main' method:
class OuterClass {
   public static void main(String[] args) {
      InnerClass newObj = new InnerClass();
      // This line creates a new instance of class InnerClass,
      // and this new instance is named newObj.
      System.out.println(newObj.x);
   }
}
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