466). Which of these packages contain classes and interfaces used for input & output operations of a program?

[A]java.util
[B]java.lang
[C]java.io
[D]all of the mentioned

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467). Which of these class is not a member class of java.io package?

[A]String
[B]StringReader
[C]Writer
[D]File

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468). Which of these interface is not a member of java.io package?

[A]DataInput
[B]ObjectInput
[C]ObjectFilter
[D]FileFilter

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469). Which of these class is not related to input and output stream in terms of functioning?

[A]File
[B]Writer
[C]InputStream
[D]Reader

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470). Which of these is specified by a File object?

[A]a file in disk
[B] directory path
[C]directory in disk
[D]none of the mentioned

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471). Which of these is method for testing whether the specified element is a file or a directory?

[A]IsFile()
[B] isFile()
[C]Isfile()
[D] isfile()

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472). What will be the output of the following Java code?
    import java.io.*;
    class files 
    {
        public static void main(String args[]) 
        {
            File obj = new File("/java/system");
            System.out.print(obj.getName());
        }
    }

[A]java
[B]system
[C]java/system
[D]/java/system

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473). What will be the output of the following Java program? (Note: file is made in c drive.)
    import java.io.*;
    class files 
    {
        public static void main(String args[]) 
        {
            File obj = new File("/java/system");
            System.out.print(obj.getAbsolutePath());
        }
    }

[A]java
[B]system
[C] java/system
[D]\java\system

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474). What will be the output of the following Java program? (Note: file is made in c drive.)
    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());
        }
    }

[A]true false
[B] false true
[C]true true
[D]false false

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475). What will be the output of the following Java program? (Note: file is made in c drive.) What will be the output of the following Java program? (Note: file is made in c drive.)
    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());
        }
    }

[A]java true
[B] java false
[C] \java false
[D] \java true

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