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单选题 What will be the value of x after the following code is executed? 执行以下代码所得出的x值为多少? int x, y = 4, z = 6; x = (y++) * (++z)
学科：编程基础
时间：2023-09-26 09:53:25
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题目1单选题
If a loop does not contain within itself a way to terminate, it is called a(n) 当一个循环的自身没有终止语句则称这个循环为A. while loop while循环B. do-while loop do-while循环C. for loop for循环D. infinite loop 死循环/无限循环
题目2单选题
请阅读下面程序public class ForLoopStatement {public static void main (String[] args) {int i;j;for(i=1;i〈 5;j++){//i循环for(j=1;j〈=i;j++)//j循环System.out.print(i+"*"+j+"="+i*j+" ");System.out.printIn();}}}程序完成后,i循环和j循环执行的次数分别是______A. 4,10B. 8,9C. 9,8D. 10, 10
题目3单选题
What will be the value of x after the following code is executed? 执行以下代码所得出的x值为多少? int x, y = 4, z = 6; x = (y++) * (++z)A. 24B. 28C. 30D. 35
题目4单选题
下列语句中执行跳转功能的是______A. for语句B. while语句C. continue语句D. switch语句
题目5单选题
A loop that repeats a specific number of times is known as a(n)(重复特定次数的循环称为)A. sentinel loop (前置循环/do-while循环)B. conditional loop (条件循环)C. counter-controlled loop (计数器控制循环)D. infinite loop (死循环/无限循环)
题目6单选题
When using the PrintWriter class, which of the following import statements would you write near the top of your program?(使用PrintWriter类时,你需要在程序顶部附近写以下哪些语句?)A. import javax.swing.*B. import java.io.*C. import PrintWriterD. import java.file.*
题目7单选题
控制语句包括:顺序语句、 、循环语句三大结构. (A. goto语句B. 分支语句C. 返回语句D. 程序调用语句
题目8单选题
用25%粉锈宁1500倍液喷雾可防治紫薇白粉病,如果配制25%粉锈宁1500倍液1500mL,需要称取该药剂( )克A. 0.25B. 0.5C. 1D. 1.5
题目9单选题
链霉素为一低毒杀( )剂A. 真菌B. 线虫C. 病毒D. 细菌
题目10单选题
1:2:100的波尔多液就是( )波尔多液A. 1%石灰半量式B. 1%石灰等量式C. 1%石灰倍量式D. 1%石灰多量式
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