Chapter 2 : Elementary Programming Questions and answers, Graded A+/ 2024/25 Exam PREDICTOR PAPER
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Course
Elementary Programming
Institution
Elementary Programming
Chapter 2 : Elementary Programming
Questions and answers, Graded A+
_______ is the code with natural language mixed with Java code.
A. Java program
B. A Java statement
C. Pseudocode
D. A flowchart diagram - -Pseudocode
What is the exact output of the following code?
double area = 3.5;
S("a...
Chapter 2 : Elementary Programming
Questions and answers, Graded A+
_______ is the code with natural language mixed with Java code.
A. Java program
B. A Java statement
C. Pseudocode
D. A flowchart diagram - ✔✔-Pseudocode
What is the exact output of the following code?
double area = 3.5;
System.out.print("area");
System.out.print(area);
A. 3.53.5
B. 3.5 3.5
C. area3.5
D. area 3.5 - ✔✔-area3.5
,Suppose a Scanner object is created as follows, what method do you use to read a real number?
Scanner input = new Scanner(System.in);
A. input.nextDouble();
B. input.nextdouble();
C. input.double();
D. input.Double(); - ✔✔-input.nextdouble();
The following code fragment reads in two numbers:
Scanner input = new Scanner(System.in);
int i = input.nextInt();
double d = input.nextDouble();
What is the incorrect way to enter these two numbers?
A. Enter an integer, a space, a double value, and then the Enter key.
B. Enter an integer, two spaces, a double value, and then the Enter key.
C. Enter an integer, an Enter key, a double value, and then the Enter key.
D. Enter a numeric value with a decimal point, a space, an integer, and then the Enter key. - ✔✔-Enter a
numeric value with a decimal point, a space, an integer, and then the Enter key.
If you enter 1 2 3, when you run this program, what will be the output?import java.util.Scanner;
, public class Test1 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter three numbers: ");
double number1 input.nextDouble();
double number2 = input.nextDouble();
double number3 = input.nextDouble();
// Compute average
double average = (number1 + number2 + number3) / 3;
// Display result
System.out.println(average);
}
}
A. 1.0
B. 2.0
C. 3.0
D. 4.0 - ✔✔-2.0
Every letter in a Java keyword is in lowercase?
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