Welcome to the java lang and java io MCQs Page
Dive deep into the fascinating world of java lang and java io with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of java lang and java io, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of java lang and java io, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.
Check out the MCQs below to embark on an enriching journey through java lang and java io. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of java lang and java io. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
java lang and java io MCQs | Page 7 of 26
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import java.io.*;
class files
{
public static void main(String args[])
{
File obj = new File("/java/system");
System.out.print(obj.canWrite());
System.out.print(" " + obj.canRead());
}
} import java.io.*;
class files
{
public static void main(String args[])
{
File obj = new File("/java/system");
System.out.print(obj.getParent());
System.out.print(" " + obj.isFile());
}
}Note: inputoutput.java is stored in the disk.
import java.io.*;
class filesinputoutput
{
public static void main(String args[])
{
InputStream obj = new FileInputStream("inputoutput.java");
System.out.print(obj.available());
}
} import java.io.*;
public class filesinputoutput
{
public static void main(String[] args)
{
String obj = "abc";
byte b[] = obj.getBytes();
ByteArrayInputStream obj1 = new ByteArrayInputStream(b);
for (int i = 0; i < 2; ++ i)
{
int c;
while ((c = obj1.read()) != -1)
{
if(i == 0)
{
System.out.print((char)c);
}
}
}
}
}Suggested Topics
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