Ch 3 Questions #2

Conditional Statements #2

1. How would you compare two strings? Can you use the equality operator?

2. Is it a good idea in a program to compare floating point values (floats or doubles) for equality? Explain

3. What are the three ways to increment a variable?

4. How do you decrement a variable?

5. What does the operator "&&" mean?

6. Given the following:

if ( (x == 7) || (x == 10)

what values would x have to equal to have the next line of code executed?

7. Given the following:

if ( (x < 10) && (x != 5)

System.out.println ("Go home");

else

System.out.println ("Stay here");

what would be printed for values of x equal to one through ten?

8. What expression could be placed into an if statement so that all values would be between 0 and 100 inclusive?

9. Can you mix different data type types in a conditional statement? Explain.

10. How do you compare strings for equality?

if (x = 7)