My Code is still thowing errors please help

1.

error: '(' expected public static void String monthName(int month) {

2. illegal start of type switch (month) { ^

3. expected switch (month) { ^

import java.text.MessageFormat;

import java.util.Scanner;

public class Assignment3 {

/**

* use a switch statement for this function (no ifs allowed)

* 1=January, 2=February ... 12=December (notice they start with uppercase)

* return "Invalid Month" if not between 1 and 12.

* @return

*/

static String theMonth[] = {

"",

"January",

"February",

"March",

"April",

"May",

"June",

"July",

"August",

"September",

"October",

"November",

"December"

};

public static void main(String[] args){

int month = 8;

Scanner sc = new Scanner(System.in);

System.out.print("Enter a Number :");

month = sc.nextInt();

System.out.println(monthName);

}

public static void String monthName(int month) {

String theMonth;

}

switch (month) {

{

int theMonth = monthName.nextInt(1);

String answer = "Invalid Month";

switch (month) {

case 1:

answer = theMonth[1];

break;

case 2:

answer = theMonth[2];

break;

case 3:

answer = theMonth[3];

break;

case 4:

answer = theMonth[4];

break;

case 5:

answer = theMonth[5];

break;

case 6:

answer = theMonth[6];

break;

case 7:

answer = theMonth[7];

break;

case 8:

answer = theMonth[8];

break;

case 9:

answer = theMonth[9];

break;

case 10:

answer = theMonth[10];

break;

case 11:

answer = theMonth[11];

break;

case 12:

answer = theMonth[12];

break;

default:

answer = "Invalid Month";

}

return answer;

}

}