Review Flashcards
The format specifier ________ is a placeholder for an int value.
%d
What would be displayed as a result of executing the following code?
final int x = 22, y = 4;
y += x;
System.out.println(“x = “ + x + “, y = “ + y)
Error because named constants with final
What is the value of z after the following code is executed?
int x = 5, y = 28;
float z;
z = (float) (y / x);
5.0
How many times will the following do-while loop be executed?
int x = 11;
do
{
x += 20;
} while (x > 100);
1
int x, y = 15;
x = y–;
15
Scanner keyboard = new Scanner(System.in);
System.out.print(“Enter a number: “);
int number = keyboard.nextInt();
while (number < 100 || number > 500)
{
System.out.print(“Enter another number: “);
number = keyboard.nextInt();
}
range 100-500
public static double methodA()
{
double a = 8.5 + 9.5;
return a;
}
18.0
int x = 11;
do
{
x += 20;
} while (x <= 100);
5
int temp = 200;
if (temp > 90) {
System.out.println(“This porridge is too hot.”);
}
if (temp < 70) {
System.out.println(“This porridge is too cold.”);
}
if (temp == 80) {
System.out.println(“This porridge is just right!”);}
The porridge is too hot
The empty statement is denoted by what symbol?
semicolon
a counter-controlled iteration is also known as
definite iteration
System.out.printf(“%s”, “I love “, “Java”);
i love
In a class containing methods with the same name, the methods are distinguished by ________.
Number of arguments
Types of arguments
Return type
(a) and (b)
(b) and (c)
a and b
math methods
min(), max(), avg(), sin(), cos(), tan(), round(), ceil(), floor(), abs() etc.
Which of the following methods is not in the Math class?
ceil
abs
parseInt
Log
parseInt
