ch6

Question 1

why Use if

Answer 1

to specify a block of code to be executed, if a specified condition is true

Question 2

why use Use else

Answer 2

to specify a block of code to be executed, if the same condition is false

Question 3

why use else if

Answer 3

Use else if to specify a new condition to test, if the first condition is false

Question 4

how we can test for the condtion easily

Answer 4

variable = (condition) ? expressionTrue : expressionFalse;

Question 5

the difference between if and the easy way

Answer 5

int time = 20;
String result;
result = (time < 18) ? “Good day.” : “Good evening.”;
System.out.println(result);

nt time = 20;
if (time < 18) {
  System.out.println("Good day.");
} else {
  System.out.println("Good evening.");
}

Question 6

else if =switch +break
if =switch -break
true or false

Answer 6

true

Question 7

Loops

Answer 7

Loops
Loops can execute a block of code as long as a specified condition is reached.

Loops are handy because they save time, reduce errors, and they make code more readable.

Question 8

Java While Loop

Answer 8

The while loop loops through a block of code as long as a specified condition is true: