Unit 4 Flashcard 2

Front

Which general for loop definition is written correctly? Options: for(true) { // code }, if(i<5) { // code }, for(int i = 0; i < count; i++) { // code }, while(condition) { // code }

Back

for(int i = 0; i < count; i++) { // code }

Front

Why do we use for loops in Java?

Back

To repeat something for a fixed number of times

Front

Why do we use while loops in Java?

Back

To repeat some code while a condition is true

Front

Which general while loop definition is written correctly? while(x is true) { // code } , if(i<5) { // code } , while(int i = 0; i < count; i++) { // code } , while(condition) { // code }

Back

while(condition) { // code }

Front

What is NOT a reason a programmer should indent their code?
Helps show the structure of the code,
Easier for other people to understand,
Indenting is a key part of good programming style,

Back

Helps shorten the code

Front

To maintain good style, where should brackets go in Java programming? Options: Before defining the run method, Always on their own line, Right after defining a method, Two brackets per line

Back

Always on their own line

Front

Why do we use if statements in Java?

Back

To do something only if a condition is true

Front

Which general if statement definition is written correctly? Options: for(condition) { // code } , if(condition) { // code } , if(int i = 0; i < count; i++) { // code } , if(false) { // code }

Back

if(condition) { // code }

Front

What does an if/else statement look like in Java? Options: if(condition) { // code } else { //code }

Back

if(condition) { // code } else { //code }

Front

Why do we use if/else statements in Java?

Back

To either do something if a condition is true or do something else