class P99_String_equal_fun {	

	public static void main(String[] args)
	{
		String s="Hello";
		
		if ("Hello!".substring(0,5) == s)
			System.out.println("Equal");
		else
			System.out.println("Not Equal");

	
		if ("Hello!".substring(0,5).equals(s))
			System.out.println("Equal");
		else
			System.out.println("Not Equal");
	   
		if ("Hello"==s)
			System.out.println("Equal");
		else
			System.out.println("Not Equal");		
	}
}