1,Any assignment statement can be used as an assignment expression.

true

false

2,________ System analysis seeks to analyze the data flow and to identify the system's input and output. When you do analysis, it helps to identify what the output is first, and then figure out what input data you need in order to produce the output.

Requirements specification

Analysis

Design

Implementation

Testing

3, The assignment operator = is left-associative.

true

false

4,Assume x = 4 and y = 5, which of the following is true?

!(x == 4) ^ y != 5

x != 4 ^ y == 5

x == 5 ^ y == 4

x != 5 ^ y != 4

5,Which of the Boolean expressions below is incorrect?

(true) && (3 => 4)

!(x > 0) && (x > 0)

(x > 0) || (x < 0)

(x != 0) || (x = 0)

(-10 < x < 0)

6, Suppose x=10 and y=10. What is x after evaluating the expression (y > 10) && (x++ > 10)?

9

10

11

7, The while loop and the do loop are equivalent in their expressive power; in other words, you can rewrite a while loop using a do loop, and vice versa.

true

false

8, The modifiers and return value type do not contribute toward distinguishing one method from another, only the parameter list.

true

false

9, (int)('a' + Math.random() * ('z' - 'a' + 1)) returns a random number ________.

between 0 and (int)'z'

between (int)'a' and (int)'z'

between 'a' and 'z'

between 'a' and 'y'

10, ________ is a simple but incomplete version of a method.

A stub

A main method

A non-main method

A method developed using top-down approach