How many times will the following code print "Welcome to Java"?int count = 0;do {System.out.println("Welcome to Java");} while (++count < 10);
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What is the value in count after the following loop is executed?int count = 0;do {System.out.println("Welcome to Java");} while (count++ < 9);System.out.println(count);
A. 0
B. 8
C. 9
D. 10
The while loop and the do-while loop are equivalent in their expressive power; in other words, you can rewrite a while loop using a do loop, and vice versa.
A. false
B. true
心理学研究法中,比较能用来了解因果关系的是:
A. 叙述研究
B. 实验研究
C. 个案研究法
D. 行动研究法
下列关于调查研究法的叙述,何者有误?
A. 适用于描述教育现象、事实、制度及意见反应
B. 适于搜集大量数据、意见数据,有助于建立较为普遍的原则
C. 调查结果易受限社会性、时间性的因素影响
D. 能推论间接、直接的因果关系