CMIS 141 7984 Introductory Programming (2158)

| October 27, 2015

Question 1 (1 point)

Question 1 Unsaved
According to the Google style guide, Java variable and class names should be named using UpperCamelCase.
Question 1 options:
True
False
Question 2 (1 point)

Question 2 Unsaved
Analyze the following code:

public class Test {

public static void main (String args[]) {

int i = 0;

for (i = 0; i < 10; i++); System.out.println(i + 4); } } Question 2 options: The program compiles despite the semicolon (;) on the for loop line, and displays 14. The program compiles despite the semicolon (;) on the for loop line, and displays 4. The program has a runtime error because of the semicolon (;) on the for loop line. The program has a compile error because of the semicolon (;) on the for loop line. Question 3 (1 point) Question 3 Unsaved What is the output of the following Java code? ____________________ public class Quizzes { public static void main(String args[]){ String string1 = "243"; System.out.println(Integer.parseInt(string1)); } } Question 3 options: Spell check Question 4 (1 point) Question 4 Unsaved What is the value of balance after the following code is executed? int balance = 10; while (balance >= 1) {

if (balance < 9) { break; } balance = balance - 9; } Question 4 options: –1 0 1 2 None of the above Question 5 (1 point) Question 5 Unsaved Which of the loop statements always have their body executed at least once. Question 5 options: The while loop The do-while loop The for loop None of the above Question 6 (1 point) Question 6 Unsaved What is the output of the following Java code: ______________________. public class Quizzes { public static void main(String args[]){ double angle = 90; angle = Math.toRadians(angle); System.out.println(Math.sin(angle) + Math.pow(Math.cos(angle),2)); } } Question 6 options: Spell check Question 7 (1 point) Question 7 Unsaved What is the output of the following Java code: ______________________. public class Quizzes { public static void main(String args[]){ int momAge = 62; int dadAge = 64; System.out.println(Math.max(momAge, dadAge) + Math.min(momAge, dadAge)); } } Question 7 options: Spell check Question 8 (1 point) Question 8 Unsaved Which of the following expression yields an integer between 0 and 100, inclusive? Question 8 options: (int)(Math.random() * 101) int)(Math.random() * 100) (int)(Math.random() * 100) + 1 (int)(Math.random() * 100 + 1) Question 9 (1 point) Question 9 Unsaved What is the output of the following Java code: ______________________. public class Quizzes { public static void main(String args[]){ double length = 81; double width = 144; System.out.println(Math.sqrt(length) + Math.sqrt(width)); } } Question 9 options: Spell check Question 10 (1 point) Question 10 Unsaved Analyze the following code. int x = 0; if (x > 0);

{

System.out.println(“x”);

}

Question 10 options:

The symbol x is never printed.

The value of variable x is printed once.

No output is produced.

The symbol x is printed once.

Question 11 (1 point)

Question 11 Unsaved
What is the value of balance after the following code is executed?
int balance = 10;

while (balance >= 1) {

if (balance < 9) { continue; } balance = balance - 9; } Question 11 options: 1 The loop does not end 2 0 -1 Question 12 (1 point) Question 12 Unsaved Using the Google style guide document, select the proper declaration of a Java constant. Question 12 options: int CONSTANT SPEED = 3.0; double final SPEED = 3.0; float FINAL speed = 3.0; Final SPEED = 3.0; None of the above Question 13 (1 point) Question 13 Unsaved Analyze the following code. int x = 1; while (0 < x) && (x < 100) System.out.println(x++); Question 13 options: The number 2 to 100 are displayed. The code does not compile because the loop body is not in the braces. The number 1 to 99 are displayed. The code does not compile because (0 < x) & (x < 100) is not enclosed in a pair of parentheses. The loop runs for ever. Question 14 (1 point) Question 14 Unsaved How many times will the following code print "Welcome to Java"? int count = 0; do { System.out.println("Welcome to Java"); count++; } while (count < 10); Question 14 options: 8 9 10 11 0 Question 15 (1 point) Question 15 Unsaved Which of the following values would read using the Scanner nextShort() without producing an error? Question 15 options: 32768 -32768 -100000 100000 None of the above Question 16 (1 point) Question 16 Unsaved What is the output of the following code: int x = 9; int y = 8; int z = 7; if (x > 9) {

if (y > 8){

System.out.println(“x > 9 and y > 8”);

}

else if (z >= 7){

System.out.println(“x <= 9 and z >= 7″);

}

else {

System.out.println(“x <= 9 and z < 7"); } } Question 16 options: x > 9 and y > 8

x <= 9 and z >= 7

x <= 9 and z < 7 None of the above Question 17 (1 point) Question 17 Unsaved How many times does the following loop iterate? public class Quizzes { public static void main(String args[]){ int cnt = 1; int maxLoop = 30; while (cnt < maxLoop) { if (cnt==3) { break; } cnt++; } } } Question 17 options: Spell check Question 18 (1 point) Question 18 Unsaved What is the output of the following Java code? ___________________ public class Quizzes { public static void main(String args[]){ String string1 = "CMIS141 "; String string2 = "is all"; String string3 = "about Java!"; String concat = string3.concat(string2).concat(string1); System.out.println(concat.length()); } } Question 18 options: Spell check Question 19 (1 point) Question 19 Unsaved What is the output of the following Java code: ____________________. public class Quizzes { public static void main(String args[]){ double examAvg = 85.9983; System.out.println(Math.ceil(examAvg)); } } Question 19 options: Spell check Question 20 (1 point) Question 20 Unsaved What is the output of the following fragment? int i = 1; int j = 1; while (i < 5) { i++; j = j * 2; } System.out.println(j); Question 20 options: 4 64 32 16 8 Question 21 (1 point) Question 21 Unsaved What method would you use in the Scanner class to read an int from standard input in Java? Question 21 options: nextBoolean(); nextFloat(); nextByte(); nextInt(); None of the above Question 22 (1 point) Question 22 Unsaved What is y after the following for loop statement is executed? int y = 0; for (int i = 0; i < 10; i++) { y += 1; } Question 22 options: 9 10 11 12 None of the above. Question 23 (1 point) Question 23 Unsaved The following Java code contains valid brace placement according to the Google style guide public class MyClass { public static void main(String[] args) { System.out.println("Welcome to CMIS 141"); } // End of main } // End class Question 23 options: True False Question 24 (1 point) Question 24 Unsaved Analyze the following two code fragments. (i) int x = 5; if (0 < x) && (x < 100) System.out.println("x is between 1 and 100"); (ii) int x = 5; if (0 < x && x < 100) System.out.println("x is between 1 and 100"); Question 24 options: The first fragment has a syntax error on the second line. The second fragment has a syntax error on the second line. Both fragments produce the same output. Both fragments compile, but produce different result. None of the above. Question 25 (1 point) Question 25 Unsaved How would you construct an instance of scanner class that will read from the standard input (keyboard) in Java? Question 25 options: Scanner scannerIn = new ScannerIn(); Scanner myOut = new Scanner(); Scanner myOut = new Scanner(Standard.Input); Scanner myOut = new Scanner(Standard.io); None of the above

Get a 5 % discount on an order above $ 150
Use the following coupon code :
2020Discount
Assignment have to be done by midnight tonight so I need it at 11pm my time. The time here is 1:02p.m. Please respond to this if you can get the assignment done by this time.
Write a Java program to simulate a pick 3, 4 or 5 lottery drawing.

Category: Homework Help

Our Services:
Order a customized paper today!
Open chat
Hello, we are here to help with your assignments
Powered by