1. The setBackground() method is part of the following class in java.awt package:   Component   Graphics   Applet   Container   Object   Hint Half-n-half Clue   2. Which of the following strings can be used as mode strings for creating a RandomAccessFile object? (A) "r" (B) "w" (C) "rw" (D) "wr" (E) "0"   (A) & (C)   (A), (B), (C) & (E)   (A), (B) & (C)   (C) & (D)   (B), (D) & (E)   Half-n-half Clue   3. When we invoke repaint() for a java.awt.Component object, the AWT invokes the method:   draw()   show()   paint()   update()   Half-n-half Clue   4. Which of the following methods can be used to remove a java.awt.Component object from the display?   remove()   disappear()   move()   delete()   hide()   Half-n-half Clue   5. DataInput is   an interface that defines methods to read primitive data types.   an interface that defines methods to open files.   a class we can use to read primitive data types.   an abstract class defined in java.io.   Half-n-half Clue   6. Which exception is thrown by the read() method of InputStream class?   IOException   FileNotFoundException   None of these   ReadException   Exception   Half-n-half Clue   7. 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)   (B), (D) & (E)   (A), (D) & (E)   (A), (C), (D) & (E)   (A), (B) & (D)   Half-n-half Clue