Java | JSP | JSF Answers

9.Where should the following statement be located in the body of a subclass constructor?
super( );

8-10. When a class overrides a method, what Java keyword is used to call the method inherited from the superclass?
inherited super
class or methodName

In Java, multiple inheritance is implemented using the concept of
an interface
an or abstract class or a private class

54. Where is the error in this code sequence? (This code compiles and runs, but outputs garbage.)
int [ ] [ ] a = { { 3, 26, 48 }, {5, 2, 9 } };
System.out.println( "The array elements are " + a );

17-9. What are the row and column indexes of Chicago in the array cities?

5-9. How do you access the element of array a located at row 2 and column 4?

76-8. When instantiating an array, you can assign the number of elements in the array dynamically, using a variable (as opposed to using a constant). What situation will that be useful? and why?

57-8. Write a method that returns true if an array of Strings contains the String "Hellofalse otherwise.

Where is the error (although this code will compile and run) in this code sequence?
int a[ ] = { 3, 26, 48, 5 };
int b[ ] = { 3, 26, 48, 5 };
if ( a != b )
System.out.println( "Array elements are NOT identical" );

36-8. Where is the error in this code sequence?
double [ ] a = { 3.3, 26.0, 48.4 };
a[4] = 2.5;