Which classes is not a member of java io package?
Which of these class is not a member class of java.io package? Explanation: None.
Which of the following is a member of the java io package?
Following are the important classes in Java.io package: BufferedInputStream. BufferedOutputStream. BufferedReader.
What are the classes present in java io package?
The Java I/O package, a.k.a. java.io, provides a set of input streams and a set of output streams used to read and write data to files or other input and output sources. There are three categories of classes in java.io: input streams, output streams and everything else.
Which of these class is not included in java lang?
Which of these classes is not included in java. lang? Explanation: Array class is a member of java.
Which is the package of drawstring () method is?
Answer is “java. awt”
Is system a class in Java?
The System class of java contains several useful class fields and methods. It also provides facilities like standard input, standard output, and error output Streams. It can’t be instantiated.
Why are generic used in Java?
In a nutshell, generics enable types (classes and interfaces) to be parameters when defining classes, interfaces and methods. Stronger type checks at compile time. … A Java compiler applies strong type checking to generic code and issues errors if the code violates type safety.
What is the Java lang package?
lang Description. Provides classes that are fundamental to the design of the Java programming language. The most important classes are Object , which is the root of the class hierarchy, and Class , instances of which represent classes at run time.
What is Randomaccessfile in Java?
This class is used for reading and writing to random access file. A random access file behaves like a large array of bytes. If end-of-file is reached before the desired number of byte has been read than EOFException is thrown. … It is a type of IOException.
What are the two types of I O available in Java?
- Byte Stream : It provides a convenient means for handling input and output of byte.
- Character Stream : It provides a convenient means for handling input and output of characters. Character stream uses Unicode and therefore can be internationalized.
What is URL in Java?
The Java URL class represents an URL. URL is an acronym for Uniform Resource Locator. It points to a resource on the World Wide Web. … A URL contains many information: Protocol: In this case, http is the protocol.
How do I read a classpath file?
Place the directory of file ( D:myDir )in CLASSPATH and try below: InputStream in = this. getClass(). getClassLoader().
Does multiple inheritance exist in Java?
When one class extends more than one classes then this is called multiple inheritance. … Java doesn’t allow multiple inheritance.