1. Which of the following statements are true? (A) Unicode characters are all 16 bits. (B) UTF characters are all 24 bits. (C) Reader class has methods that can read integers and floats. (D) File class may be used to rename a file. (E) DataOutputStream objects are used to write primitive data to a file.   (A), (D) & (E)   (B), (D) & (E)   (A), (C), (D) & (E)   (A) & (D)   (A), (B) & (D)   Hint Half-n-half Clue   2. Which are the valid ways to create DataInputStream streams?   new DataInputStream(new File("in.dat"));   new DataInputStream("in.dat")   new DataInputStream(new FileInputStream("in.dat");   new DataInputStream("in.dat", "r");   new DataInputStream();   Half-n-half Clue   3. Which of the following applet tags is legal to embed an applet class named Test into a Web page?   < applet> code = Test.class width = 200 height = 100>   < applet code = Test.class width = 200 height = 100>   < applet code = Test.class width = 200 height = 100   < applet param = Test.class width = 200 height = 100>   < applet class = Test width = 200 height = 100>   Half-n-half Clue   4. Which of the following methods can be used to remove a java.awt.Component object from the display?   remove()   move()   delete()   disappear()   hide()   Half-n-half Clue   5. Which exception is thrown by the read() method of InputStream class?   ReadException   FileNotFoundException   Exception   IOException   None of these   Half-n-half Clue   6. If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an tag?   < param = radius value = 99 >   < param number = 99 >   < param name = number value = 99 >   < number = 99 >   number = getParameter(99)   Half-n-half Clue   7. DataInput is   an abstract class defined in java.io.   an interface that defines methods to open files.   a class we can use to read primitive data types.   an interface that defines methods to read primitive data types.   Half-n-half Clue