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分析下列程序:public class class4{private string _sData = "";public string sData{set{_sData = value;}}}在Main 函数中,在成功创建该类的对象obj 后,下列哪些语句是合法的?()
A.obj.sData = "It is funny!";
B.Consol
C.WriteLine(obj.sData);
D.obj._sData = 100;
E.obj.set(obj.sData);
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A.obj.sData = "It is funny!";
B.Consol
C.WriteLine(obj.sData);
D.obj._sData = 100;
E.obj.set(obj.sData);
A.null
B.有错误,变量i没有初始化
C.1
D.0
import java.io.*;
public class Test {
public static void main(String args[]) {
try {
String s = "ABCDE" byte b[]=s.getBytes()
FileOutputStream file =
new FileOutputStream("test.txt", true)
file.write(b) file.close() }
catch(IOException e) {
System.out.println(e.toString()) }
}
}
A、ABCABC
B、ABCDE
C、Test
D、ABCDEABCDEABCDE
A.编译失败
B.编译通过,没有结果输出
C.输出:除法正常运行
D.输出:除数不能为0
A.9
B.5
C.6
D.6.1
A.public void print()
B.public SubClass get()
C.public void get(SuperClass sc)
D.public void get()
A.概念发展
B.反馈质量
C.语言示范
D.行为管理
A.http://www.ahcpr.gov/consumer
B.http://www.ama- - assn.org
C.http://www.healthfinder.org
D.http://www.ama- - assn.org/public/joumals/jama
E.http://www.nih.gov/health/con-sumer
美国国立图书馆的网站是