Chapter 3

Question 1

Precedence of arithmetic vs equality and relational operators?

Answer 1

Arithmetic operators are higher

Question 2

Example of a unary operator

Answer 2

NOT (!) because it operates on 1 operand

Question 3

Example of binary operators

Answer 3

AND and OR because each operates in two operands

Question 4

Precedence of logical operators vs relational operators

Answer 4

Logical operators have a lower precedence

Question 5

Logical operator precedence

Answer 5

NOT AND OR

Question 6

Which statement checks only once

Answer 6

If statement or if else statement

Question 7

Conditional operator example

Answer 7

System.out.print(“your change is “ +count+ ((count ==1)? “Dime” : “Dines”));

Question 8

Statement that evaluates and expression then attempts to match the result to one of several possible cases

Answer 8

Switch statement

Question 9

Statement used to control and go to the end o the switch statement

Answer 9

break;

Question 10

Switch statement example

Answer 10

switch(option) {
case 'A':
  ACount++;
  break;
case 'B'
  BCount++;
  break;
}

Question 11

The case in which the control will transfer to it if no other case matches the value

Answer 11

default case

Question 12

Switch Statement rules

Answer 12

Only have an integral type(byte, short, int, long) or char
Not be a Boolean or float or double
Implicit Boolean condition in switch statement is equality
No relational checks with a switch statement

Question 13

Comparing strings

Answer 13

compareTo
name1.compareTo(name2);
Zero means equal 
Neg means name1 is less than name2
Pos means name1 is greater than name2

Question 14

Lexicographic ordering

Answer 14

Uppercase come before lower case

Short strings come before longer strings

Question 15

A statement that executes continuously until the condition becomes false

Answer 15

while loop

Question 16

While loop syntax

Answer 16

while(condition)

statement;

Question 17

What can be used to maintain a running sum?

Answer 17

Loop

Question 18

A special input value that represents the end of input

Answer 18

Sentinel Value

Question 19

A statement that is executed once initially and then the condition is evaluated

Answer 19

The do Statement

Question 20

Syntax for the for statement

Answer 20

for(initialization; condition; increment)

statement;

Question 21

Loop used for a specific number of times that can be calculated in advance

Answer 21

for loop

Question 22

Infinite for loop

Answer 22

for( ; ;)

Question 23

For loop rules

Answer 23

Initilzation left out none is performed
Condition left out means always true
Increment left out means no increment operation performed

Question 24

Syntax for a if statement

Answer 24

If a Java reserved word 
Condition must be a Boolean expression 
Statement
If(condition)
Statement;