4つの整数の中で最小値を表示するメソッド

public class ren08_8
{
public static void main (String[] args) throws IOException
{
BufferedReader br =
new BufferedReader( new InputStreamReader(System.in));
System.out.print("整数１を入力 > ");
int num1 = Integer.parseInt( br.readLine() );
System.out.print("整数２を入力 > ");
int num2 = Integer.parseInt( br.readLine() );
System.out.print("整数３を入力 > ");
int num3 = Integer.parseInt( br.readLine() );
System.out.print("整数４を入力 > ");
int num4 = Integer.parseInt( br.readLine() );
System.out.println("最も小さい整数は " + min4(num1, num2, num3, num4) + " です。");
}

public static int min2(int a, int b)//メソッド
{
if( areturn a;
}
else{
return b;
}
}
public static int min4(int a, int b, int c, int d)//メソッド
{
return min2( min2(a, b) , min2(c, d) );
}
}