Question

import java.util.Scanner;

class Test6
{
    public static void main (String[] args)
    {
        int z = 0;
        while (z != 1)
        {
            System.out.print("Please enter your name: ");
            Scanner x = new Scanner (System.in);
            String name = x.nextLine();
            System.out.print("\n"+"So your name is "+name+"?: ");
            Scanner y = new Scanner (System.in);
            String answer = y.nextLine();
            if ((answer == "yes")||(answer == "Yes"));
            {
                z = 1;
            }
        }
        System.out.println("\n"+"Great!");
    }
}

Answer 1

Use String#equals(), not ==. There are many questions on SO about this already.

if ("yes".equals(answer) || "Yes".equals(answer));
{
    z = 1;
}

In your case, String#equalsIgnoreCase() might more suitable:

if ("yes".equalsIgnoreCase(answer));
{
    z = 1;
}

---

Side note: you’re using z like a boolean flag. Instead of using an int, use a boolean.

boolean z = true;
while (z)
{

}