1. The control expression in an "if" statement must be:   an expression with type boolean   an expression with either the type boolean or integer with value 0 or 1   an expression with either the type boolean or integer   an expression with type integer   Hint Half-n-half Clue   2. Determine the output when the value of x is zero: if(x >= 0) if(x > 0) System.out.println("x is positive"); else System.out.println("x is negative");   None of these   "x is positive" and "x is negative"   "x is negative"   "x is positive"   Half-n-half Clue   3. Consider the following code: class NewString extends java.lang.String   Results in error because the class is not declaredpublic   Results in error because java.lang.String isfinal   Results in error because String isabstract   Compiles successfully   Results in error because class body is not defined   Half-n-half Clue   4. 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   5. What will be the output of the following program? class Main2   XXX   Error. Won't compile   YYY   XXX followed by YYY   Half-n-half Clue   6. 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   Half-n-half Clue   7. Which of the following expressions will produce errors upon compilation? (A) boolean a = (boolean) 1; (B) boolean b = (false && true); (C) float y = 22.3;   (A), (B) & (D)   (A) & (C)   (A)   (A), (C) & (D)   Half-n-half Clue