java编程实现求解八枚银币代码分享

public class Coins { 
  private int[] coins; 
   
  public Coins() { 
    coins = new int[8]; 
    for(int i = 0; i < 8; i++)  
      coins[i] = 10;  
  } 
   
  public void setFake(int weight) { 
    coins[(int) (Math.random() * 7)] = weight; 
  } 
   
  public void fake() { 
    if(coins[0]+coins[1]+coins[2] ==  
      coins[3]+coins[4]+coins[5]) {  
      if(coins[6] > coins[7])  
        compare(6, 7, 0);  
      else  
        compare(7, 6, 0);  
    }  
    else if(coins[0]+coins[1]+coins[2] >  
        coins[3]+coins[4]+coins[5]) {  
      if(coins[0]+coins[3] == coins[1]+coins[4])  
        compare(2, 5, 0);  
      else if(coins[0]+coins[3] > coins[1]+coins[4])  
        compare(0, 4, 1);  
      if(coins[0]+coins[3] < coins[1]+coins[4])  
        compare(1, 3, 0);  
    }  
    else if(coins[0]+coins[1]+coins[2] <  
        coins[3]+coins[4]+coins[5]) {  
      if(coins[0]+coins[3] == coins[1]+coins[4])  
        compare(5, 2, 0);  
      else if(coins[0]+coins[3] > coins[1]+coins[4])  
        compare(3, 1, 0);  
      if(coins[0]+coins[3] < coins[1]+coins[4])  
        compare(4, 0, 1);  
    }  
  } 
   
  protected void compare(int i, int j, int k) { 
    if(coins[i] > coins[k])  
      System.out.print("\n假币 " + (i+1) + " 较重");  
    else  
      System.out.print("\n假币 " + (j+1) + " 较轻");  
  } 
   
  public static void main(String[] args) { 
    if(args.length == 0) { 
      System.out.println("输入假币重量（比10大或小）"); 
      System.out.println("ex. java Coins 5"); 
      return; 
    } 
     
    Coins eightCoins = new Coins(); 
    eightCoins.setFake(Integer.parseInt(args[0])); 
    eightCoins.fake(); 
  } 
}