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Need answer to the following test. Some of them are multiple options, while some don't. Please make sure to read every question carefully.ThanksHere are the questionsWhat is the value of balance afte
Need answer to the following test. Some of them are multiple options, while some don't. Please make sure to read every question carefully.
Thanks
Here are the questions
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 1 options:
0
2
The loop does not end
1
-1
Save Question 2 (1 point)
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 2 options:Save Question 3 (1 point)
Analyze the following code. int x = 0; if (x > 0); { System.out.println("x"); }
Question 3 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.Save Question 4 (1 point)
How many times with the string hi be printed after executing the following code? public class Quizzes { public static void main(String args[]){ int colCnt = 0; int rowCnt = 0; do { colCnt = 0; do { System.out.print("hi" + "t"); colCnt++; } while (colCnt < 8); System.out.print("n"); rowCnt++; } while (rowCnt < 7); }}
Question 4 options:Save Question 5 (1 point)
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 5 options:Save Question 6 (1 point)
In the following Java code, what is the largest possible value that could be printed while executing the following code?// Import import java.util.Random;public class Quizzes { public static void main(String args[]){ // create random object Random randomNo = new Random(); for (int i=0; i<10000; i++) { System.out.println(randomNo.nextInt(100)); } }}
Question 6 options:Save Question 7 (1 point)
What is the output of the following Java code? ____________________public class Quizzes { public static void main(String args[]){ String string1 = "243"; String string2 = "true"; String string3 = "24.1" ; boolean results = (Boolean.parseBoolean(string2) && false); System.out.println(results); }}
Question 7 options:Save Question 8 (1 point)
Analyze the following code. int x = 1; while (0 < x) && (x < 100) System.out.println(x++);
Question 8 options:
The code does not compile because the loop body is not in the braces.
The loop runs for ever.
The number 1 to 99 are displayed.
The number 2 to 100 are displayed.
The code does not compile because (0 < x) & (x < 100) is not enclosed in a pair of parentheses.Save Question 9 (1 point)
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 9 options:
32
64
4
16
8
Save Question 10 (1 point)
What is the value of the variable cnt after the following code is executed?public class Quizzes { public static void main(String args[]){ int cnt = 0; for (int rowCnt=0; rowCnt <= 4; rowCnt++) { for (int colCnt=0; colCnt<= 4; colCnt++) { cnt++; } } }}
Question 10 options:Save Question 11 (1 point)
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) { cnt++; } }}
Question 11 options:Save Question 12 (1 point)
Which of the following values would read using the Scanner nextShort() without producing an error?
Question 12 options:
32768
-32768
-100000
100000
None of the aboveSave Question 13 (1 point)
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 13 options:Save Question 14 (1 point)
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 14 options:Save Question 15 (1 point)
Which of the loop statements always have their body executed at least once.
Question 15 options:
The while loop
The do-while loop
The for loop
None of the aboveSave Question 16 (1 point)
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 16 options:Save Question 17 (1 point)
How would you construct an instance of scanner class that will read from the standard input (keyboard) in Java?
Question 17 options:
Scanner scannerIn = new ScannerIn();
Scanner myOut = new Scanner();
Scanner myOut = new Scanner(Standard.Input);
Scanner myOut = new Scanner(Standard.io);
None of the aboveSave Question 18 (1 point)
According to the Google style guide, Java variable and class names should be named using UpperCamelCase.
Question 18 options:
True
FalseSave Question 19 (1 point)
The following Java code contains valid brace placement according to the Google style guidepublic class MyClass { public static void main(String[] args) { System.out.println("Welcome to CMIS 141"); } // End of main} // End class
Question 19 options:
True
FalseSave Question 20 (1 point)
What package do you need to import to use the Scanner class in Java?
Question 20 options:
java.util
java.Lang
java.io
java.nio
None of the aboveSave Question 21 (1 point)
Which of the following expression yields an integer between 0 and 100, inclusive?
Question 21 options:
(int)(Math.random() * 101)
int)(Math.random() * 100)
(int)(Math.random() * 100) + 1
(int)(Math.random() * 100 + 1)Save Question 22 (1 point)
Using the Google style guide document, select the proper declaration of a Java constant.
Question 22 options:
int CONSTANT SPEED = 3.0;
double final SPEED = 3.0;
float FINAL speed = 3.0;
Final SPEED = 3.0;
None of the above
Save Question 23 (1 point)
How many times does the following loop iterate?public class Quizzes { public static void main(String args[]){ int cnt = 1; int maxLoop = 30; do { cnt++; }while (cnt < maxLoop) ; }}
Question 23 options:Save Question 24 (1 point)
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.Save Question 25 (1 point)
What Java data type is returned while calling the nextGaussian() method in the java.util.Random class?
Question 25 options:Save
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