3つの整数の最小値を返す　メソッド

public class ren08_4
{
public static void main (String[] args) throws IOException
{
BufferedReader br =
new BufferedReader( new InputStreamReader(System.in));
System.out.println("３つの整数を入力して下さい");
System.out.print("整数１ > ");
int num1 = Integer.parseInt( br.readLine() );
System.out.print("整数２ > ");
int num2 = Integer.parseInt( br.readLine() );
System.out.print("整数３ > ");
int num3 = Integer.parseInt( br.readLine() );
System.out.println("最も小さい値は " + min3(num1, num2, num3) + " です。");
}
public static int min3(int x, int y, int z)//メソッド

{
int min = x;
if(min > y){
min = y;
}
if(min > z){
min = z;
}
return min;
}
}