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单选题 In Java, the beginning of a comment is marked with: 在Java中,注释的开头标记为
学科：编程基础
时间：2024-01-10 03:59:27
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题目1单选题
Which one of the following would contain the translated Java byte code for a program named Demo? 以下哪一个包含名为Demo的程序的Java字节编译码A. Demo.javaB. Demo.codeC. Demo.classD. Demo.byte
题目2单选题
In Java,____must be declared before they can be used. 在Java中,______必须在使用前定义A. Variables 变量B. Literals 常量C. Key words 关键字D. Comments 注释
题目3单选题
The term______typically refers to the device that displays console output. 该______通常是指显示控制台输出的设备A. Standard output device 标准的输出设备B. Central processing unit 中央处理单位C. Secondary storage device 辅助存储设备D. Liquid crystal display 液晶显示器
题目4单选题
In Java, the beginning of a comment is marked with: 在Java中,注释的开头标记为A. //B. ""C. D. #
题目5单选题
A Java program must have at least one of these: 一个Java程序必须至少具有以下之一A. Class definition 类定义B. Variable 变量C. Comment 注释D. System.out.println(); statement(语句)
题目6单选题
To compile a program named First, use the following command: 要编译名为First的程序,使用一下命令A. java First.javaB. javac FirstC. javac First.javaD. compile First.javac
题目7单选题
If the following Java statements are executed, what will be displayed? 如果执行以下Java语句,以下哪个内容将会打印出? System.out.println("The top three winners are\n"); System.out.print("Jody, the Giant\n"); System.out.print("Buffy, the Barbarian"); System.out.println("Adelle, the Alligator")A. The top three winners are Jody, the Giant Buffy, the Barbarian Adelle, the AlligatorB. The top three winners are Jody, the Giant\nBuffy, the BarbarianAdelle, the AlligatorC. The top three winners are Jody, the Giant\nBuffy, the BarbarianAdelle, and the AlbinoD. The top three winners are Jody, the Giant Buffy, the BarbarianAdelle, the Alligator
题目8单选题
This is a value that is written into the code of a program. 这是一个写入程序代码中的值A. Literal 常量B. assignment statement 赋值语句C. variable 变量D. operator 操作符
题目9单选题
When the + operator is used with strings, it is known as the: 当+运算符与字符串一起使用时,称为A. Assignment operator 赋值运算符B. String concatenation operator 字符连接运算符C. Addition operator 加法D. Combined assignment operator 复合运算符
题目10单选题
What would be printed out as a result of the following code? 以下代码将打印出什么内容? System.out.println("The quick brown fox" + "jumped over the \n" "slow moving hen.")A. The quick brown fox jumped over the \nslow moving henB. The quick brown fox jumped over the slow moving henC. The quick brown fox jumped over the slow moving henD. Nothing. This is an error. 什么也没有.这是错误的
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