Question 1 while loops can be used to implement counter-controlled repetition an

Question

Question 1

while loops can be used to implement counter-controlled repetition and while loops can be used to implement sentinel-controlled repetition. T/F

Question 2

Java does not require that local variables are initialized when declared, but does require that they are initialized prior to use in an expression. T/F

Question 3

Select only those options corresponding to Java's primitive types from the list below

wide

short

float

bit

boolean

byte

String

char

double

int

long

word

points

Question 4 . The following two statements are functionally equivalent (will achieve the same result): T/F

++var;

var++;

Explanation / Answer

1. True, while loop is similar to for loop, counter can be implemented using while loop too.

2. False, local variable has default values, eg int has default value as 0

3.
short
float
boolean
char
int
long

4. False, ++var will first increase the value and then do the operation, vice versa with var++

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