Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 4.2, Problem 4.2.1CP
Evalute the following method calls:
- (a) Math.sqrt(4)
- (b) Math.sin(2 * Math.PI)
- (c) Math.cos(2 * Math.PI)
- (d) Math.pow(2, 2)
- (e) Math.log(Math.E)
- (f) Math.exp(1)
- (g) Math.max(2,Math.min(3, 4))
- (h) Math.rint(−2.5)
- (i) Math.ceil (−2.5)
- (j) Math.floor(−2.5)
- (k) Math.round(−2.5f)
- (l) Math.round(-2.5)
- (m) Math.rint(2.5)
- (n) Math.ceil (2.5)
- (o) Math.floor(2.5)
- (p) Math.round(2.5f)
- (q) Math.round(2.5)
- (r) Math.round (Math, abs (-2.5))
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Solve the following problem by writing methods/functions
A)
Write a method int sum (int, int) with takes 2 parameter as an input to the function and return the sum of these numbers(negative or positive) , to the calling function by using recursion g.
sum (6, 5 ) return 11
sum (-4, 3) return -1
sum (-3, -4 ) return -7
B)
Write a method age (i) which takes input age in numbers of days as a parameters print the age in years and month
Age (3750) will print 10 years, 3 months
Solve with C#
What is the running time of the method question1( int n ) as a function of n? Justify your answer. Appendix 1 has some summation formulas that you may (or may not) find useful.
void question1( int n ) {
for ( int k = 1; k <= n; k++ ) {
question2( k );
}
}
void question2( int m ) {
if ( m == 0 ) {
return;
}
else {
question2( Math.floor( m/2 ) );
}
}
Define a method maxNumber() to complete the following program. MethodmaxNumber() is to find the largest of the three numbers
Chapter 4 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 4.2 - Evalute the following method calls: (a)...Ch. 4.2 - True or false? The argument for trigonometric...Ch. 4.2 - Write a statement that converts 47 degrees to...Ch. 4.2 - Write a statement that converts PI to an angle in...Ch. 4.2 - Write an expression that obtains a random integer...Ch. 4.2 - Prob. 4.2.6CPCh. 4.2 - Prob. 4.2.7CPCh. 4.3 - Use print statements to find out the ASCII code...Ch. 4.3 - Which of the following are correct literals for...Ch. 4.3 - How do you display the characters \ and "?
Ch. 4.3 - Evaluate the following: Int i = '1'; int j ='1' +...Ch. 4.3 - Can the following conversions involving casting be...Ch. 4.3 - Show the output of the following program: public...Ch. 4.3 - Write the code that generates a random lowercase...Ch. 4.3 - Show the output of the following statements:...Ch. 4.4 - Suppose s1, s2, and s3 are three strings, given as...Ch. 4.4 - Prob. 4.4.2CPCh. 4.4 - Show the output of the following statements (write...Ch. 4.4 - Prob. 4.4.4CPCh. 4.4 - Let s1 be " Welcome " and s2 be " welcome ". Write...Ch. 4.4 - Write one statement to return the number of digits...Ch. 4.4 - Write one statement to return the number of digits...Ch. 4.5 - If you run Listing 4.3 GuessBirthday.java with...Ch. 4.5 - If you enter a lowercase letter such as b, the...Ch. 4.5 - What would be wrong if lines 6 and 7 are in...Ch. 4.6 - Prob. 4.6.1CPCh. 4.6 - Prob. 4.6.2CPCh. 4.6 - Show the output of the following statements: (a)...Ch. 4 - (Geometry: area of a pentagon) Write a program...Ch. 4 - (Geometry: great circle distance) The great circle...Ch. 4 - (Geography: estimate areas) Use the GPS locations...Ch. 4 - (Geometry: area of a hexagon) The area of a...Ch. 4 - (Geometry: area of a regular polygon) A regular...Ch. 4 - (Random points on a circle) Write a program that...Ch. 4 - (Corner point coordinates) Suppose a pentagon is...Ch. 4 - (Find the character of an ASCII code) Write a...Ch. 4 - (Find the Unicode of a character) Write a program...Ch. 4 - (Guess birthday) Rewrite Listing 4.3,...Ch. 4 - (Decimal to hex) Write a program that prompts the...Ch. 4 - (Hex to binary) Write a program that prompts the...Ch. 4 - (Vowel or consonant?) Write a program that prompts...Ch. 4 - (Convert Letter grade to number) Write a program...Ch. 4 - (Phone key pads) The international standard...Ch. 4 - (Random character) Write a program that displays a...Ch. 4 - (Days of a month) Write a program that prompts the...Ch. 4 - (Student major and status) Write a program that...Ch. 4 - (Business: check ISBN-10) Rewrite Programming...Ch. 4 - (Process a string) Write a program that prompts...Ch. 4 - (Check SSN) Write a program that prompts the user...Ch. 4 - (Check substring) Write a program that prompts the...Ch. 4 - 23 (Financial application: payroll) Write a...Ch. 4 - (Order three cities) Write a program that prompts...Ch. 4 - (Generate vehicle plate numbers) Assume that a...Ch. 4 - (Financial application: monetary units) Rewrite...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
T F: If the CInt function cannot convert its argument, it causes a runtime error.
Starting Out With Visual Basic (7th Edition)
Find the error in each of the following. (Note: There may be more than one error.) The following code should pr...
C How to Program (8th Edition)
What is an algorithm?
Starting Out With Visual Basic (8th Edition)
Write the statement that calls a superclass constructor and passes the arguments x, y, and z.
Starting Out with Java: From Control Structures through Objects (6th Edition)
Given the following fragment that purports to convert from degrees Celsius to degrees Fahrenheit, answer the fo...
Absolute Java (6th Edition)
Celsius and Fahrenheit Temperature Converter Assuming that C is a Celsius temperature, the following formula co...
Starting out with Visual C# (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Given an integer N, implement a Static method 'solution' with return type as 'void' in class 'ProblemSolution' displays N for N times. Input 7 Output 7 7 7 7 7 7 7 Where, There must be single space between 2 numbers. There should not any space after the last number. Assume that, N is within the range [0 to 10000].arrow_forwardDo the trace in detail and submit The source Code As Well From the following recursive method Trace (in details) the calling of the above method with any input from your choice such that thereturned value will be 19. public static int think(int x) {if(x<10)if(x%2!=0)return x;elsereturn 0;elseif(x%2!=0)return x%10 + think(x/10);elsereturn think(x/10);}arrow_forwardConsider the below method which computes the value x. Specifically, x = (a*b)/c, based on inputs a, b, and c. This function have several problems. public int computeX (int a, int b, int c){ int x = (a*b)/c; Rewrite the method to fix these errors. return x;}arrow_forward
- Given the following recursive method: public static int think(int x) { if(x<10) if(x%2!=0) return x; else return 0; else if(x%2!=0) return x%10 + think(x/10); else return think(x/10); } Trace (in details) the calling of the above method with any input from your choice such that the returned value will be 19arrow_forwardWrite a program using the following method to print a pattern of stars as in the followingexample. Note that the method takes care of the repetition on each row. Your main methodshould manage the repetition of the pattern from top to bottom.arrow_forwardWrite a recursive method called drawTriangle() that outputs lines of '*' to form an upside down isosceles triangle. Method drawTriangle() has one parameter, an integer representing the base length of the triangle. Assume the base length is always odd and less than 20. Output 9 spaces before the first '*' on the last line for correct formatting. Hint: The number of '*' decreases by 2 for every line drawn. Ex: If the input of the program is: 3 the method drawTriangle() outputs: *** * Ex: If the input of the program is: 19 the method drawTriangle() outputs: ******************* ***************** *************** ************* *********** ********* ******* ***** *** * Note: No space is output before the first '*' on the first line when the base length is 19.arrow_forward
- Consider n as an even number and n is passted to the method as a parameter. Need help writing the program and the display result need to be as shown in the image attatched.arrow_forwardGiven the following recursive method:public static int think(int x) {if(x<10)if(x%2!=0)return x;elsereturn 0;elseif(x%2!=0)return x%10 + think(x/10);elsereturn think(x/10);}Trace (in details) the calling of the above method with any input from your choice such that thereturned value will be 19arrow_forwardWrite recursive definition of a method named Combinations that takes two integers n and r as parameters and returns the number of unique combinations of r items from a group of n items. Number of combinations C(n,r) for the given parameters n and r can be computed using the equation: ?(?,?) = ?!?! ∗ (? − ?)! For example, ?(4,3) = ?! should return 4. ?! ∗ (?)! Take the input from the user and make sure that the input is valid. using C++arrow_forward
- What is the “stopping” case for each (what causes the methods to “end”)? How do you guarantee that the methods will “stop” (infinite loop, infinite recursion)? Which method one is “better”? Why? public static int factorialValue(int n) {int ans = 1;for (int i=1; i <=n;i++) {ans = ans *i;}return ans;} public static int recursiveValue(int n) {if (n == 0) {return 1;}else {return n*factorialValue(n-1);}}arrow_forwardExercise 1:Homework:Fibonacci method :0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, ...is defined by the formulaarrow_forwardWithout using arrays, write the appropriate method headings using the provided method name for the following processes.1. Given the radius of a circle, print the area of a circle - printArea.2. Calculate and return the sum of two integer numbers - getSum. 3. Given a student’s name and three test scores (of type int), print the student’s name and average test score - printStudentDetails. 4. Accept an integer, compute for the square of the number and return the String equivalent of the square of the number - makeString. 5. Compute and return the average speed of a car, given the distance traveled (as type double) and traveling time (in hours and minutes, both of type int) - getAverageSpeed.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill Education
Starting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSON
Digital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSON
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Programmable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Introduction to Big O Notation and Time Complexity (Data Structures & Algorithms #7); Author: CS Dojo;https://www.youtube.com/watch?v=D6xkbGLQesk;License: Standard YouTube License, CC-BY