Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Expert Solution & Answer
Chapter 1, Problem 12E
Explanation of Solution
List of methods in Scanner class:
The list of methods is described in the section “method summary” from Scanner class are as follows:
- close() method:
- This method is used to close the scanner class and its return type is “void”.
- delimiter() method:
- This method is used to match the delimiters and return that pattern.
- findInLine(Pattern pattern) method:
- This method is used to search the next occurrence from specified pattern by discarding the delimiters and its return type is “String”.
- findInLine(String pattern) method:
- This method is used to search the next occurrence from specified string by discarding the delimiters and its return type is “String”.
- findWithinHorizon(Pattern pattern, int horizon) method:
- This method is used to search the next occurrence from specified pattern and its return type is “String”.
- findWithinHorizon(String pattern, int horizon) method:
- This method is used to search the next occurrence from specified string and its return type is “String”.
- hasNext()method:
- This method is used to return true when scanner has another token input and its return type is “boolean”.
- hasNext(Pattern pattern) method:
- This method is used to return true when next token input is matched with specified pattern and its return type is “boolean”.
- hasNext(String pattern) method:
- This method is used to return true when next token input is matched with specified string and its return type is “boolean”.
- hasNextBigDecimal() method:
- This method is used to return true if next token input can be interpreted as BigDecimal value with help of nextBigDecimal() method and its return type is “boolean”.
- hasNextBigInteger() method:
- This method is used to return true if next token input can be interpreted as BigInteger value with help of nextBigInteger() method and its return type is “boolean”.
- hasNextBigInteger(int radix) method:
- This method is used to return true if next token input can be interpreted as BigInteger value in specified radix with help of nextBigInteger() method and its return type is “boolean”.
- hasNextBoolean() method:
- This method is used to return true if next token input can be interpreted as a Boolean value with help of case insensitive pattern such as true|false and its return type is “boolean”.
- hasNextByte() method:
- This method is used to return true if next token input can be interpreted as byte value with help of nextByte() method and its return type is “boolean”.
- hasNextByte(int radix) method:
- This method is used to return true if next token input can be interpreted as byte value in specified radix with help of nextByte() method and its return type is “boolean”.
- hasNextDouble() method:
- This method is used to return true if next token input can be interpreted as double value with help of nextDouble() method and its return type is “boolean”.
- hasNextFloat() method:
- This method is used to return true if next token input can be interpreted as float value with help of nextFloat() method and its return type is “boolean”.
- hasNextInt() method:
- This method is used to return true if next token input can be interpreted as integer value with help of nextInt() method and its return type is “boolean”.
- hasNextInt(int radix) method:
- This method is used to return true if next token input can be interpreted as integer value in specified radix with help of nextInt() method and its return type is “boolean”.
- hasNextLine() method:
- This method is used to return true if there is another token input line is available and its return type is “boolean”.
- hasNextLong() method:
- This method is used to return true if next token input can be interpreted as long value with help of nextLong() method and its return type is “boolean”.
- hasNextLong(int radix) method:
- This method is used to return true if next token input can be interpreted as long value in specified radix with help of nextLong() method and its return type is “boolean”.
- hasNextShort() method:
- This method is used to return true if next token input can be interpreted as short value with help of nextShort() method and its return type is “boolean”.
- hasNextShort(int radix) method:
- This method is used to return true if next token input can be interpreted as short value in specified radix with help of nextShort() method and its return type is “boolean”...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Written in C++ language.
List the responsibilities performed by the WinMain (beginning) method with at least three instances.
First, in a few phrases, explain what a method is, and then proceed to go over its three
basic parts.
Chapter 1 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 1.1 - What are the two kinds of memory in a computer?Ch. 1.1 - What is software?Ch. 1.1 - What data would you give to a program that...Ch. 1.1 - What data would you give to a program that...Ch. 1.1 - What is the difference between a program written...Ch. 1.1 - Is Java a high-level language or a low-level...Ch. 1.1 - Is Java bytecode a high-level language or a...Ch. 1.1 - What is a compiler?Ch. 1.1 - What is a source program?Ch. 1.1 - What do you call a program that translates Java...
Ch. 1.2 - What would the following statement, when used in a...Ch. 1.2 - Write a statement or statements that can be used...Ch. 1.2 - Prob. 13STQCh. 1.2 - What is the meaning of the following line in the...Ch. 1.2 - Write a complete Java program that uses system....Ch. 1.2 - Suppose you define a class named YourClass in a...Ch. 1.2 - Prob. 17STQCh. 1.3 - What is a method?Ch. 1.3 - Prob. 19STQCh. 1.3 - Do all objects of the same class have the same...Ch. 1.3 - Prob. 21STQCh. 1.3 - Prob. 22STQCh. 1.3 - Prob. 23STQCh. 1.3 - Prob. 24STQCh. 1.3 - What is an algorithm?Ch. 1.3 - What is pseudocode?Ch. 1.3 - Prob. 27STQCh. 1.3 - Prob. 28STQCh. 1.3 - Prob. 29STQCh. 1.3 - Prob. 30STQCh. 1.3 - Prob. 31STQCh. 1.3 - Suppose you write a program that is supposed to...Ch. 1.4 - Prob. 33STQCh. 1.4 - Prob. 34STQCh. 1 - How does a computers main memory differ from its...Ch. 1 - Prob. 2ECh. 1 - Prob. 3ECh. 1 - How does machine language differ from Java?Ch. 1 - What would the following statements, when used in...Ch. 1 - Write a statement or statements that can be used...Ch. 1 - Write statements that can be used in a Java...Ch. 1 - Given a persons year of birth, the Birthday Wizard...Ch. 1 - Write statements that can be used in a Java...Ch. 1 - Prob. 11ECh. 1 - Prob. 12ECh. 1 - Prob. 13ECh. 1 - Prob. 14ECh. 1 - What attributes and behaviors would an object...Ch. 1 - Suppose that you have a numberxthat is greater...Ch. 1 - Prob. 17ECh. 1 - Prob. 18ECh. 1 - Prob. 19ECh. 1 - Prob. 20ECh. 1 - Obtain a copy of the Java program shown in Listing...Ch. 1 - Modify the Java program described in Practice...Ch. 1 - Prob. 3PCh. 1 - The following program will compile but it has...Ch. 1 - Programming Projects require more problem-solving...Ch. 1 - Write a complete program for the problem described...Ch. 1 - Prob. 3PPCh. 1 - Prob. 4PPCh. 1 - Write an applet program for the problem described...Ch. 1 - Prob. 6PP
Knowledge Booster
Similar questions
- Please write Java Code per the instructions and make sure code compiles before submitting. Thank you!arrow_forwardCheck out the Java API: https://docs.oracle.com/javase/8/docs/api/. Go to the FileInputStream class of the java.io package. Write down the last method in the method summary list (returntype methodName(param list)arrow_forwardwhat is Exists method ?arrow_forward
- QUESTION 3 Which of the following is true about Introduce parameter object refactoring technique?1. Does not work with Java2. The technique is used to increase performance as it requires less memory3. You will need to create a new structure (class) for the grouped data if that structure does not already exist 4.Used to to shorten methodsarrow_forwardSo what is the function of a class, object, and method? Please explain using examples and in simplest detail possiblearrow_forwardHow do I do this using python?arrow_forward
- The code given below represents a saveTransaction() method which is used to save data to a database from the Java program. Given the classes in the image as well as an image of the screen which will call the function, modify the given code so that it loops through the items again, this time as it loops through you are to insert the data into the salesdetails table, note that the SalesNumber from the AUTO-INCREMENT field from above is to be inserted here with each record being placed into the salesdetails table. Finally, as you loop through the items the product table must be update because as products are sold the onhand field in the products table must be updated. When multiple tables are to be updated with related data, you should wrap it into a DMBS transaction. The schema for the database is also depicted. public class PosDAO { private Connection connection; public PosDAO(Connection connection) { this.connection = connection; } public void…arrow_forwardHow can you prevent accidental method overriding in your code? Are there any best practices?arrow_forwardHello! Need help with my Java Homework Please use Eclipse and Add a comments in each program to explain what your code is doing so I can understand it and learn. I really appreciate the help! Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.arrow_forward
- Implement a complete calculator system in JAVA and GUI. implement add, sub, multiply, divide in your system. You have to add overloaded method for float and integer arithmetic. (assignment 3 question 1) calculator should also calculate square, power, square root functions as well. you must implement the GUI and styling in calculator. (10)arrow_forwardWho uses the method specification?arrow_forwardTrue or False? Interface can be used to store a common method implementation.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