下面关于配置web默认页面index.html的说法中，正确的是（ ） A: ＜welcome-file-lists＞ ＜welcome-file＞index.html＜/welcome-file＞ ＜/welcome-file-lists＞ B: ＜welcome-file-list＞ ＜welcome-files＞index.html＜/welcome-files＞ ＜/welcome-file-list＞ C: ＜welcome-file-lists＞ ＜welcome-files＞index.html＜/welcome-files＞ ＜/welcome-file-lists＞ D: ＜welcome-file-list＞ ＜welcome-file＞index.html＜/welcome-file＞ ＜/welcome-file-list＞

A．＜B＞Welcome＜/B＞B．＜UL＞Welcome＜/UL＞C．＜I＞Welcome＜/I＞D．＜H＞Welcome＜/H＞ A: ＜B＞Welcome＜/B＞ B: ＜UL＞Welcome＜/UL＞ C: ＜I＞Welcome＜/I＞ D: ＜H＞Welcome＜/H＞

欢迎到...来: welcame to|welcome|welcome for|welcome to

已知： String s = “Welcome”; s += “to”; s.concat( “Java”); System.out.println(s); 则输出为（ ） A: Welcome B: Welcome to C: Welcome to Java D: 编译错误

如何定义一个文件读写变量？ A: FILE *file； B: FILE file； C: FILE &file； D: file *file；

He added: "We are so happy today to ______" A: welcome our colleagues B: welcome our collages C: welcome our call leagues D: welcome our cold eagles

创建一个d盘aa文件夹下news.txt文件对象，以下正确的是 A: File file = new File("d:/aa"); B: File file = new File("d:/aa/news.txt"); C: File file = new File("d:/news.txt"); D: File file = new File("d:\aa\news.txt");

下列__________说法是正确的？I:File file = new File("input.txt");try (Scanner input = new Scanner(file)) { String line = input.nextLine();}II:try (File file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}III:File file;try (file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}IV:File file;Scanner input;try (file = new File("input.txt"); input = new Scanner(file);) { String line = input.nextLine();} A: I B: II C: III D: IV

下列程序段的输出结果是（ ）。void main( ){char a[ ]="welcome you！";a[4]='\0';printf("%s\n",a);} A: welc B: welcome C: welcome you D: welcome you!

使用File file=new File("c:myletter