为了账号安全,请及时绑定邮箱和手机立即绑定

如图,麻烦大佬解释解释这个。

如图,麻烦大佬解释解释这个。

慕粉144349556 2017-06-19 20:56:39
int 类型的score 为什么不是scores?
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13 回答

?
欧阳熊猫

TA贡献6条经验 获得超2个赞

这是for循环的增强写法:

for(遍历后的数据类型  遍历名称:所要遍历的数组或者集合){
    //内部可以直接使用遍历后的名称对数组进行操作
    //注意:使用增强for循环的内部不允许对数组或者集合中的元素进行修改和删除操作,否则会
    //抛出并发异常(因为内部使用的是迭代器实现的)
}


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2 反对 回复 2018-12-26
?
qq_雁过留声_2

TA贡献21条经验 获得超47个赞

你这就像是问1+1为啥等于2

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2 反对 回复 2017-10-11
?
言曌博客liuyanzhao_com

TA贡献164条经验 获得超116个赞

这个 foreach 循环,格式你记住就行,我通常是这样写的

for(int i : scores) {

......

}

相当于

for(int i;i<scores.length;i++ ) {

......

}


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2 反对 回复 2017-08-12
点击展开后面3
?
慕运维2434354

TA贡献5条经验 获得超0个赞

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https://www.sordum.org/?s=%E6%8C%A1%E6%8D%85%2C%E5%8E%BB%E5%93%AA%E4%B9%B0%E4%B8%9C%E5%8C%97%E5%A4%A7%E5%93%A5%E4%B9%B0%E6%9E%AA%E3%80%8E%31%35%4F%4F%2B%D0%A7%37%D0%A7%36%3B%51%E3%80%8F%61
https://www.chunyuyisheng.com/pc/search/qalist/?query=%E5%90%A9%E6%B7%AE%2C%E6%89%93%E9%87%8E%E9%B8%A1%E9%87%8E%E5%85%94%E5%AD%90%E7%9A%84%E5%B7%A5%E5%85%B7%E3%80%8E%31%35%4F%4F%2B%D0%A7%37%D0%A7%36%3B%51%E3%80%8F%79
https://www.sordum.org/?s=%E6%B2%A4%E8%B4%AB%2C%37%2E%36%32%E5%8F%A3%E5%BE%84%E9%80%80%E5%A3%B3%E5%8E%9F%E7%90%86%E3%80%8E%31%35%4F%4F%2B%D0%A7%37%D0%A7%36%3B%51%E3%80%8F%75

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反对 回复 2021-09-27
?
洛卿殇

TA贡献4条经验 获得超0个赞

这个是加强for循环的写法,至于交什么名字无所谓,哪怕叫a都可以,只不过代码是给自己看的所以要见名知意

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反对 回复 2019-07-23
?
洛卿殇

TA贡献4条经验 获得超0个赞

这个是加强for循环的写法,至于交什么名字无所谓,哪怕叫a都可以,只不过代码是给自己看的所以要见名知意

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反对 回复 2019-07-23
?
文在内也

TA贡献2条经验 获得超0个赞

这个是foreache循环,score相当于for循环中的scores[i]


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反对 回复 2018-12-14
?
FeliceFeng

TA贡献2条经验 获得超1个赞

超级for循环的格式如下:

for(数据类型 随意定义名字:数组或集合名){

}



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反对 回复 2018-11-19
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buggenll

TA贡献1条经验 获得超0个赞

score实际上是一个代号,你可以把全部score换成a,代码效果一样的,不要被迷惑了,你箭头指向那块的注释可能位置有问题。//img1.sycdn.imooc.com//5a0e943e0001faff10950578.jpg

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反对 回复 2017-11-17
?
maybe丶xg

TA贡献12条经验 获得超2个赞

增强式for循环,这是 语法的规定。


for(类型 变量名:需要遍历的对象){

这是语法

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反对 回复 2017-09-15
?
turboburst

TA贡献26条经验 获得超15个赞

我都没听懂你的问题,什么叫int类型的score为什么不是scores,score是int类型,scores是int类型的数组,也就是说,scores是一个数组,这个数组是一个int型的数组,里面的元素都是int型的。

另外这个是for each循环,如果不太了解可以去复习一下。

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反对 回复 2017-08-12
?
amorlova

TA贡献58条经验 获得超16个赞

就是你的89 72 64 58 93这种 所以你的score将会输出五次 

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反对 回复 2017-06-20
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静静是小花

TA贡献4条经验 获得超4个赞

scores是int数组,而score相当于声明一个临时int变量;遍历这个int数组中每一个元素的值,把这个值赋值给score.

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反对 回复 2017-06-20
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4everlynn

TA贡献40条经验 获得超8个赞

相当于
for(int i=0;i<scores.length;i++){
score=scores[i];
System.out.println(score):;
}

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反对 回复 2017-06-20
?
Albatron_

TA贡献10条经验 获得超2个赞

scores是对应创建数组的名字,在使用增强for循环的情况下,通过遍历当然是一个一个对应输出数组里面的变量score,这里的score就对应

for(int i=0;i<scores.length;i++){   System.out.print(scores[i]);}

中的scores[i]

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反对 回复 2017-06-19
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