试图在JTextArea中

Question

我存储的用户输入来显示从一个ArrayList输出到一个类BarInfo的ArrayList。该类需要多个数据：字符串，布尔值，整数。然后我想要显示按JTextArea中输入的顺序存储的数据。现在说用户输入一个栏的数据和所有必要的信息。当他们显示数据时，它的工作正确。然而，如果一个以上的杆被输入时，或之后加入另一杆，它显示与不同的数据的数据的多个版本。

例如，如果两个条被输入的显示将两个条的不同时间从它们两者混合不同量的int数据的显示，而不是仅仅将第一杆，然后第二个。

这是我的课吧：

class BarInfo 
{ 
    private final String barLoc, barName, v="Vodka", w="Whiskey", r="Rum", 
      g="Gin", b="Brandy"; 
    private final boolean music, food; 
    private final int vCount, wCount, rCount, gCount, bCount; 

    public BarInfo(String l, String n, boolean m, boolean f, int v, int w, 
        int r, int g, int b) 
    { 
     this.barLoc = l; 
     this.barName = n; 
     this.music = m; 
     this.food = f; 
     this.vCount = v; 
     this.wCount = w; 
     this.rCount = r; 
     this.gCount = g; 
     this.bCount = b; 
    } 

    @Override 
    public String toString() 
    { 
     return "The bar is located at: " + barLoc + " \nThe bar is named: " + barName 
       + "\nLive Music: " + music + "\nFood Service: " + food + "\n" 
       + "Liquor currently in stock (bottles):\n" + v + ": " + vCount 
       + "\n" + w + ": " + wCount + "\n" + r + ": " + rCount + "\n" 
       + g + ": " + gCount + "\n" + b + ": " + bCount + "\n\n"; 
    } 

} 

而且我的显示代码：

for(int i=0; i<barList.size(); i++) 
     { 
      jTextAreaDisplay.append(jTextAreaDisplay.getText() 
        + barList.get(i).toString() + "\n\n"); 

     } 

我猜我的for循环是有点过，但我没有看到它。任何帮助将不胜感激。

UPDATE 产量预计说，2条：

酒吧位于：（barLoc）

酒吧被命名为：（barName）

现场音乐：（true或假）

餐饮服务:(真或假）

当前酒玉珠：

伏特加=（量）

威士忌=（量）

朗姆酒=（量）

杜松子酒=（量）

白兰地=（量）

然后与它的数据中的第二栏。我所得到的就像这两个条形输入中的6-7个不同的条形。从2条

新格式的输出输入：

The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Kendall 
The bar is named: sgd 
Live Music: false 
Food Service: false 
Liquor currently in stock (bottles): 
Vodka: 10 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 



The bar is located at: Miami Beach 
The bar is named: Wet 
Live Music: true 
Food Service: true 
Liquor currently in stock (bottles): 
Vodka: 20 
Whiskey: 0 
Rum: 0 
Gin: 0 
Brandy: 0 

Answer 1

JTextArea.append()文本追加，所以它的加入还有什么好了。既然你还追加jTextAreaDisplay.getText()你会得到重复，如果循环运行一次以上。

尝试：

for(BarInfo b : barList) { // Java foreach loop 
    jTextAreaDisplay.append(b.toString() + "\n\n"); 
}