String.op_Inequality Method

public static bool operator != (
	string a,
	string b
)

J# does not support overloaded operators.

JScript supports the use of overloaded operators, but not the declaration of new ones.

// Example for the String Inequality operator.
using System;

class InequalityOp 
{
    public static void Main() 
    {
        Console.WriteLine( 
            "This example of the String Inequality operator\n" +
            "generates the following output.\n" );

        CompareAndDisplay( "ijkl" );
        CompareAndDisplay( "ABCD" );
        CompareAndDisplay( "abcd" );
    }

    static void CompareAndDisplay( String Comparand )
    {
        String  Lower = "abcd";

        Console.WriteLine( 
            "\"{0}\" != \"{1}\" ?  {2}",
            Lower, Comparand, Lower != Comparand );
    }
}

/*
This example of the String Inequality operator
generates the following output.

"abcd" != "ijkl" ?  True
"abcd" != "ABCD" ?  True
"abcd" != "abcd" ?  False
*/

// Example for the String Inequality operator.
import System.*;

class InequalityOp
{
    public static void main(String[] args)
    {
        Console.WriteLine(("This example of the String Inequality operator\n" 
            + "generates the following output.\n"));
        CompareAndDisplay("ijkl");
        CompareAndDisplay("ABCD");
        CompareAndDisplay("abcd");
    } //main

    static void CompareAndDisplay(String comparand)
    {
        String lower = "abcd";
        Console.WriteLine("\"{0}\" != \"{1}\" ?  {2}", lower, comparand, 
        System.Convert.ToString(!lower.equals(comparand)));
    } //CompareAndDisplay
} //InequalityOp

/*
This example of the String Inequality operator
generates the following output.

"abcd" != "ijkl" ?  True
"abcd" != "ABCD" ?  True
"abcd" != "abcd" ?  False
*/