Correct errors

Identify and correct the errors in the following program:
public java Method
{
public static method1(int n, m)
{
n += m;
xMethod(3. 4);
}
public static int xMethod(int n)
{
if (n > 0) return 1;
else if (n == 0) return 0;
else if (n < 0) return -1;
}
}