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  1. import java.util.Scanner;
  2.  
  3. class A { // class is a keyword. All keywords are all lower-case
  4.     int a1;
  5. 	public void VAS ()
  6. 	{
  7. 		Scanner src=new Scanner(System.in);
  8. 		// int a1; This variable is hiding the variable called a1 above
  9. 		System.out.println("Enter value a1"); // always prompt for input so that the user knows what to do
  10. 		a1=src.nextInt();
  11. 	}
  12. }
  13.  
  14.  
  15. class B { // class is a keyword.  All keywords are all lower-case
  16. 	int b1;
  17. 	public void VBS ()
  18. 	{
  19. 		Scanner src=new Scanner(System.in);
  20. 		// int b1; This variable would hide the variable named b1 above
  21. 		System.out.println("Enter value b1"); // always prompt for input so that the user knows what to do
  22. 		b1=src.nextInt();
  23. 	}
  24. }
  25.  
  26. class C {
  27. 	public void VCS()
  28. 	{
  29. 		int c1;
  30.  
  31. 		// call the constructors of A and B to create objects
  32. 		A g = new A(); // A is a class name VAS is a method name
  33. 		B h = new B(); // B is a class name VBX is a method name
  34.  
  35. 		// call methods of A and B
  36. 		g.VAS();
  37. 		h.VBS();
  38.  
  39. 		c1=(g.a1 + h.b1);
  40. 		System.out.println(c1);
  41. 	}
  42. }
  43.  
  44. class D
  45. {
  46. 	public static void main (String args[]) { // needed opening brace here
  47. 		C c= new C();
  48. 		c.VCS();
  49. 	} // needed closing brace here
  50.  
  51. }
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https://ideone.com/ftYonM
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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