一个 JAR 文件可以用于

 1 package Com.Table;
 2 import java.util.Scanner;
 3 public class TwoTable {
 4 
 5 /**
 6  * 从键盘上输入3个数，求出这三个数字中的最大值，并将最大值输出
 7  */
 8 
 9     public static void main(String[] args) {
10         System.out.println("input Three number：");
11         Scanner scanner = new Scanner(System.in);
12         int nNumA = scanner.nextInt();
13         int nNumB = scanner.nextInt();
14         int nNumC = scanner.nextInt();
15  
16         int nMax = 0;
17         if (nNumA >= nNumB && nNumA >= nNumC)
18         {
19             nMax = nNumA;
20         }
21         else if (nNumB >= nNumC && nNumB >= nNumA)
22         {
23             nMax = nNumB;
24         }
25         else if (nNumC >= nNumA && nNumC >= nNumB)
26         {
27             nMax = nNumC;
28         }
29         else
30         {
31             System.out.println("error!");
32         }
33         System.out.println("Max = " + nMax);
34     }
35 }