特殊的非ASCII字符显示为？打印时的ArrayList [英] special non-ASCII characters displayed as ? when printing ArrayList

问题描述

我一直在寻找适合所有年龄段，并没有发现任何人谁拥有了同样的问题我。当我在Eclipse中运行我的程序，一切都看起来很好。当我在CMD窗口中运行它，在我的ArrayList的所有特殊的非ASCII字符以取代？。有在狗类的两个属性是字符串，即名和种族。

I've been searching around for ages and haven't found anyone who has had the same problem as me. When I run my program in Eclipse, everything looks fine. As soon as I run it in windows CMD, all special non-ASCII characters in my ArrayList are replaced with a ?. There are two attributes in the Dog class that are strings, namely "name" and "race".

这里的code，打印在我的主程序名单：

Here's the code that prints the list in my main program:

System.out.println("\r\nLista på hundar i hundregistret: " + viewDogList.toString() + "\r\n");

下面是从我的狗类的信息，属性和使用的方法：

Here's information from my Dog class, attributes, and methods used:

private String name; //attribute for the dog's name
private String race; //attribute for the dog's race

public Dog(String name, String race, int age, double weight)

        public String getName() { //hämta hundnamn      
        return name;
        }

        public void setName (String name) { //sätta hundnamn
            this.name = name;
        }

        public String getRace() {
            return race;            
        }

        public void setRace (String race) { //sätta hundras
            this.race = race;
        }

这是狗年名单是如何构建，并添加了Dog对象：

This is how the Dog list is constructed and the Dog object added:

ArrayList<Dog> viewDogList= new ArrayList<Dog>();
Dog dogInstance = new Dog("", "", 0, 0.0);
viewDogList.add(dogInstance);

当我打印出在Eclipse名单我已经添加了显示为一个Dog对象后：

When I print out the list in Eclipse after I've added a Dog object it is displayed as:

[Bjäbbis舍费尔12 AR12.0公斤斯万人= 14.4]

[Bjäbbis Schäfer 12 år 12.0 kg svans=14.4]

但是，如果我编译和运行CMD中的程序在同一行显示为：

However, if I compile and run the program in CMD the same line is displayed as:

[BJ？巴士转车站SCH？FER 12 AR12.0千克斯万人= 14.4]

[Bj?bbis Sch?fer 12 år 12.0 kg svans=14.4]

请问有什么解决到得到这个工作？我读过一些关于字节字符串的字符转换，但我不认为这就是我要找的！

Is there any solution into getting this to work? I have read something about bytes, string, character conversions but I don't think it's what I'm looking for!

编辑：我忘了提无关的ArrayList的所有字符串正确显示在Windows CMD。因此，它的奇怪的是，只有ArrayList的内容显示不正确。

I forgot to mention that all strings unrelated to the ArrayList are properly displayed in the windows CMD. So its strange that only the ArrayList contents are displayed incorrectly.

我也超限的ToString方法在狗类，像这样：

I have also overrun the .toString method in the Dog class like so:

public String toString() {
    return name + " " + race + " " + getAge() + " år " + getWeight() + " kg " + "svans="+ getTailLength();
}

任何帮助AP preciated！
TIA

Any help appreciated! TIA

推荐答案

编辑：我已经取消我的答案，这样它的信息现在是正确的。

I have revoked my answer so that its information is now correct.

包含特殊字符，如A，A普通字符串，ö工作的原因是因为那些都设有codeD的方式，CMD可以阅读。

The reason normal strings containing special characters such as å, ä, ö worked was because that those are encoded in a way that cmd can read.

当您使用扫描仪，字符串连接的方式，CMD无法读取codeD，因此，你必须为确保所有扫描仪输入都设有codeD正确等等该CMD可以读取它。

when you use the scanner, the strings are encoded in a way that cmd cannot read, thus, you have to make sure all scanner inputs are encoded properly so that the cmd can read it.

这是可能通过修改扫描仪设置输入的字符编码​​：

It's possible to set the character encoding of input by modifying Scanner:

new Scanner(System.in, "UTF-8")

编辑：在Windows中的另一个问题产生了CMD不接受CHCP变化。
<一href=\"http://stackoverflow.com/questions/8142058/chcp-is-not-recognized-as-an-internal-or-external-command-operable-program-or\">'chcp'不被识别为内部或外部的命令，可操作的程序或批处理文件。在Windows PC

编辑：设置cmd以CHCP 65001 / UTF-8没有工作

Setting cmd to chcp 65001/UTF-8 did not work.

结论：CMD不支持UTF-8 BYT默认，但CMD设置为UTF-8（65001 CHCP）不能用java工作。输出仍然不正确，程序崩溃，如果你输入的非ASCII字符反正。

Conclusion: cmd does not support UTF-8 byt default, but setting cmd to UTF-8 (chcp 65001) does not work with java. The output is still incorrect and the program crashes if you input non-ascii characters anyway.

编辑：

有是绝对没有办法让CMD工作，UTF-8。我不得不扫描仪：

There is absolutely NO way to make cmd work with UTF-8. I had to the scanner to:

new Scanner(System.in, "cp850")

当然，本作的Eclipse没有显示A，A，ö字符正确的，所以我不得不Eclipse控制台手动设置为默认dispalying CHCP 850与Windows CMD一样。

Of course, this made Eclipse not showing å,ä, ö characters correct, so I had to manually set the Eclipse console to dispalying chcp 850 like the windows cmd does by default.

微软有过错的这一切。绝对没有这CMD不支持UTF-8，从来没有逻辑。它是如此愚蠢。我敢打赌，它与贪婪的M $想$$$做。

Microsoft is at fault for all of this. There's absolutely no logic that cmd doesn't support UTF-8 and never has. It's so stupid. I bet it has to do with greedy M$ wanting $$$.

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