Java Exercises 9

Question One

Write a set of Java statements that represent the following Flowchart using if/else statements. Note: the variable attendance is a boolean variable equals to false.

boolean attendance=false; see image.

Question Two

Identify and correct the error in the following codes, and state what type of error you will get?

A) public class Assignmet2{
public static void main(String []args){
int x=2;
for(int year=1; year>=0; year--)
for (int day=2; day!=3; year++)
{if ( x>=1) System.out.println("Yes");
else System.out.println("No");
x--;} }}

B) int[] grade = new int[20];
for(int counter=0; counter<=grade.length; i++)
grade[counter]=20;

Question Three

Given the following Java statement:

ArrayList< String> grade = new ArrayList< String>();

A)Insert the letter A to the array.

B)Insert the letter B to index 0.

C)Write the Java statement to check the size of the grade list.

D)Remove the letter "A" from the array.

Question Four

Write a set of Java statements that fulfil the following requirements:

• Print the statement "This is a Loop Number" followed by the iteration number. Your output must match the Figure below.
• Print the statement "Set of Loops completed" after every 10th iteration.
  • Use the condition counter%10==0 to fulfil this requirement.
  • When the condition is not true print an empty string.