creating a java segment code [closed]

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segment of code: 

int x, y = 34, z = 19, w=11;

swtich (x) {
    case 1:     y += 4;
        z -= w;
        break;
    case 2:   w = (x++)*(--y);
        break;
    case 3: w = (--x)*(++y);
        break;
    case 4:   y -=7;
    case 5:   z *= 2;
        break;
    default:    w = (++x)*(++y);
}
System.out.println(“x = “ + x + “ y = “ + y + “  z = “ +  z + “  w = “ + w);

can someone help me fix up this code please?

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For one thing, you forgot to put break; on CASE 4. Then if x is local variable, you forgot to initialize it. And how do you plan to input the x?

EDIT: It's working on my PC.

public class Main {

    public static void main (String[] args) {
        int x=0, y = 34, z = 19, w = 11;

        x = Integer.parseInt(JOptionPane.showInputDialog(x)); //this is how i input x  

        switch (x) {
            case 1:
                y += 4;
                z -= w;
                break;
            case 2:
                w = (x++) * (--y);
                break;
            case 3:
                w = (--x) * (++y);
                break;
            case 4:
                y -= 7;
                break;
            case 5:
                z *= 2;
                break;
            default:
                w = (++x) * (++y);
        }
        System.out.println("x = " + x + "y = " + y + "  z = " + z + "  w = " + w);
    }
}

illegal character: \8220 or \8221: You used Unicode 8220 (aka \u291c, 0x291c, “, left quote) or ... something of the form usually when you Copy Paste a code... Type again the System.out.println line especially the quote ("), maybe you copy paste it and it is in different form... For more details about errors check out this site

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case 4 needs a break (unless you intended case 4 to "fall through" to case 5.

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Your code has smart quote characters (“), which aren't normal quotes and are not recognized by the Java language.

Change the “ characters to ".