1. Examine the following class definitions to detect errors, if any. abstract class MyPanel   1 Error. Method show() should have a return type   1 Error. Method show() is not implemented in MyDisplay   1 Error. MyDisplay does not contain any members   No errors   Hint Half-n-half Clue   2. For the following class definition, which is a legal statement to construct an object of type Class1: class Class1 extends Class2   (A)   (C) & (E)   (A) & (B)   (C) & (D)   None of the above   Half-n-half Clue   3. What is java_g used for?   Using the jdb tool   Executing a class with optimization turned off   None of these   To provide information about deprecated methods   Half-n-half Clue   4. Are there any errors in the following class definition? abstract class Class1   Class header definition is wrong   Method definition is wrong   Constructor needs to be defined   No errors   Half-n-half Clue   5. To print the value of a variable "x" of type int, which of the following expressions can be used: (A) System.out.println("x = " + x); (B) System.out.println("x = " + String.valueOf(x)); (C) System.out.println("x = " + Integer.toString(x)); (D) System.out.println("x = " + (new Integer(x)).toString());   (B), (C) and (D)   (B) and (D)   (A), (B), (C) and (D)   (C) and (D)   Half-n-half Clue   6. The control expression in an "if" statement must be:   an expression with type integer   an expression with either the type boolean or integer   an expression with type boolean   an expression with either the type boolean or integer with value 0 or 1   Half-n-half Clue   7. The method int func(int i, int j)   (B) & (C)   (C) & (D)   (A), (B), (C) & (E)   (A), (B) & (E)   None of these   Half-n-half Clue