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 13.3, Problem 13.3.5CP
What is wrong in the following code?
public class Test {
public static void main(String[] args) {
Number x = new Integer(3);
System.out.println(x.intValue());
System.out.println((Integer)x.compareTo(new Integer(4)))
}
}
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Please help debug this: Debugging Exercise 4-3, Farrell, Joyce, Java Programming, 9th edition, Cengage Learning
public class DebugBox
{
private int width;
private int length;
private int height;
private FixDebugBox()
{
length = 1;
width = 1;
height = 1;
}
public DebugBox(int width, int length, int height)
{
width = width;
length = length;
height = height;
}
public void showData()
{
System.out.println("Width: " + width + " Length: " + length + " Height: " + height);
}
public double getVolume()
{
double vol = length - width - height;
return vol;
}
}
Java-
Consider this method declaration:
void quiz(int i) {
if (i > 1) {
quiz(i/2);
quiz(i/2);
}
system.out.print(“*”);
}
How many asterisks are printed by the method call quiz(4) ?
JAVA
Determine the output for the following code
public class Beta extends Baap
{
public int h = 44;
public int getH( )
{
System.out.println("Beta " + h);
return h;
}
public static void main(String[ ] args)
{
Baap b = new Beta();
System.out.println(b.h + " " + b.getH( ));
Beta bb = (Beta) b;
System.out.println(bb.h + " " + bb.getH( ));
}
}
public class Baap
{
public int h = 4;
public int getH( )
{
System.out.println("Baap " + h);
return h;
}
}
Chapter 13 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 13.2 - Prob. 13.2.1CPCh. 13.2 - The getArea() and getPerimeter() methods may be...Ch. 13.2 - True or false? a.An abstract class can be used...Ch. 13.3 - Prob. 13.3.1CPCh. 13.3 - Prob. 13.3.2CPCh. 13.3 - Prob. 13.3.3CPCh. 13.3 - What is wrong in the following code? (Note the...Ch. 13.3 - What is wrong in the following code? public class...Ch. 13.4 - Can you create a Calendar object using the...Ch. 13.4 - Prob. 13.4.2CP
Ch. 13.4 - How do you create a Calendar object for the...Ch. 13.4 - For a Calendar object c, how do you get its year,...Ch. 13.5 - Prob. 13.5.1CPCh. 13.5 - Prob. 13.5.2CPCh. 13.5 - Prob. 13.5.3CPCh. 13.5 - Prob. 13.5.4CPCh. 13.6 - Prob. 13.6.1CPCh. 13.6 - Prob. 13.6.2CPCh. 13.6 - Can the following code be compiled? Why? Integer...Ch. 13.6 - Prob. 13.6.4CPCh. 13.6 - What is wrong in the following code? public class...Ch. 13.6 - Prob. 13.6.6CPCh. 13.6 - Listing 13.5 has an error. If you add list.add...Ch. 13.7 - Can a class invoke the super.clone() when...Ch. 13.7 - Prob. 13.7.2CPCh. 13.7 - Show the output of the following code:...Ch. 13.7 - Prob. 13.7.4CPCh. 13.7 - What is wrong in the following code? public class...Ch. 13.7 - Show the output of the following code: public...Ch. 13.8 - Prob. 13.8.1CPCh. 13.8 - Prob. 13.8.2CPCh. 13.8 - Prob. 13.8.3CPCh. 13.9 - Show the output of the following code: Rational r1...Ch. 13.9 - Prob. 13.9.2CPCh. 13.9 - Prob. 13.9.3CPCh. 13.9 - Simplify the code in lines 8285 in Listing 13.13...Ch. 13.9 - Prob. 13.9.5CPCh. 13.9 - The preceding question shows a bug in the toString...Ch. 13.10 - Describe class-design guidelines.Ch. 13 - (Triangle class) Design a new Triangle class that...Ch. 13 - (Shuffle ArrayList) Write the following method...Ch. 13 - (Sort ArrayList) Write the following method that...Ch. 13 - (Display calendars) Rewrite the PrintCalendar...Ch. 13 - (Enable GeometricObject comparable) Modify the...Ch. 13 - Prob. 13.6PECh. 13 - (The Colorable interface) Design an interface...Ch. 13 - (Revise the MyStack class) Rewrite the MyStack...Ch. 13 - Prob. 13.9PECh. 13 - Prob. 13.10PECh. 13 - (The Octagon class) Write a class named Octagon...Ch. 13 - Prob. 13.12PECh. 13 - Prob. 13.13PECh. 13 - (Demonstrate the benefits of encapsulation)...Ch. 13 - Prob. 13.15PECh. 13 - (Math: The Complex class) A complex number is a...Ch. 13 - (Use the Rational class) Write a program that...Ch. 13 - (Convert decimals to fractious) Write a program...Ch. 13 - (Algebra: solve quadratic equations) Rewrite...Ch. 13 - (Algebra: vertex form equations) The equation of a...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
The ________ is the part of a computer with which the user interacts. a. central processing unit b. user interf...
Starting Out with Python (4th Edition)
Identify and briefly describe four types of requirements that may be defined for a computer- based system.
Software Engineering (10th Edition)
In what language is most of UNIX written?
Concepts of Programming Languages (11th Edition)
Explain one way to partition a database that has three tables: T1, T2, and T3.
Database Concepts (8th Edition)
Modify the Java program described in Practice Program 1 so that it adds three numbers instead of two. Compile t...
Java: An Introduction to Problem Solving and Programming (8th Edition)
Write code that does the following: opens a file named MyName.txt, writes your first name to the file, and then...
Starting Out with Java: Early Objects (6th 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
- Java - public static void test_b(int n) { if (n>0) test_b(n-2); System.out.println(n + " "); } What is printed by the call test_b(6)?arrow_forwardIn Java trace the table for a while loop public class Main { public static void main(String[] args) { // Question 2 j = 30; x=5; for (int i=1;i<=2;i++) { while (j > 20) { j=j-x*i; ++x; }// end of while }// end of for j x i j<=2 j>20arrow_forwardWhat is the printout of the following code? public class Test { public static void main(string[] args) { int[][] matrix = {{0, 1, 2, 3}, {4, 5, 6, 7}, {8, 9, 10, 11}, {12, 13, 14, 15}}; for (int i = 0; i < 4; i++) System.out.print(matrix[1][i] + " "); }}arrow_forward
- Please add algorithm and comments to my program. Thank youpublic class For {public static void main(String[] args) {String days[] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday","Saturday", "Sunday"};for (int i = 0; i < days.length; i++) {// weekday =days[i] ;System.out.println(days[i]);}}}arrow_forwardWrite down the outputs of the following java program public class Exam { String X = "Programming"; double Y = 3; static int N; Exam ( ) { N++ ; } public static void main(String args[]) { Exam s1 = new Exam ( ); Exam s2 = new Exam ( ); System.out.println("1. " + (s1.Y)); System.out.println("2. " + s1.X.replaceFirst("r", "S")); System.out.println("3. " + s2.N); } }arrow_forwardConsider the following piece of code: public static void main(String[] args) { BankAccount a = new BankAccount(500); BankAccount b = new BankAccount(a.getBalance()); BankAccount c = a; Identify all of the expressions that are true: a)(a.equals(500)) b)(a.equals(b)) c)(a == 500) d)(a == b) e)(a == c) f)(a.getBalance() == 500) g)(a.getBalance() == b.getBalance())arrow_forward
- In Java trace the table for the do while loop public class Main { public static void main(String[] args) { int x,j,y; /// Question 1 j = 30; x=5; do { j=j-x-2; --x; }while (j > 20); j x j>20arrow_forwardPROGRAM SIMULATION. Understand the given JAVA program and write the output. b. public class ChangeIt { public void doIt( int[] z ) { z[0] = 0; } } public class TestIt { public static void main ( String[] args ) { int[] myArray = {1, 2, 3, 4, 5} ; ChangeIt.doIt(myArray ); for (int j=0; j<myArray.length; j++ ) System.out.print( myArray[j] + " " ) ; } }arrow_forwardWrite a recursive method in java that sums all values between s and n inclusive /* assume s is less than or equal to n to start */ public static int sum(int s, int n) { }arrow_forward
- public class Soru32{ // Returns length of LCS for X[0..m-1], Y[0..n-1] static void lcs(String X, String Y, int m, int n) { int[][] L = new int[m+1][n+1]; // Following steps build L[m+1][n+1] in bottom up fashion. Note // that L[i][j] contains length of LCS of X[0..i-1] and Y[0..j-1] for (int i=0; i<=m; i++) { for (int j=0; j<=n; j++) { if (i == 0 || j == 0) L[i][j] = 0; else if (X.charAt(i-1) == Y.charAt(j-1)) L[i][j] = L[i-1][j-1] + 1; else L[i][j] = Math.max(L[i-1][j], L[i][j-1]); } } // Following code is used to print LCS int index = L[m][n]; int temp = index; // Create a character array to store the lcs string char[] lcs = new char[index+1]; lcs[index] = '\u0000'; // Set the terminating character // Start from the right-most-bottom-most…arrow_forwardpublic class Soru32{ // Returns length of LCS for X[0..m-1], Y[0..n-1] static void lcs(String X, String Y, int m, int n) { int[][] L = new int[m+1][n+1]; // Following steps build L[m+1][n+1] in bottom up fashion. Note // that L[i][j] contains length of LCS of X[0..i-1] and Y[0..j-1] for (int i=0; i<=m; i++) { for (int j=0; j<=n; j++) { if (i == 0 || j == 0) L[i][j] = 0; else if (X.charAt(i-1) == Y.charAt(j-1)) L[i][j] = L[i-1][j-1] + 1; else L[i][j] = Math.max(L[i-1][j], L[i][j-1]); } } // Following code is used to print LCS int index = L[m][n]; int temp = index; // Create a character array to store the lcs string char[] lcs = new char[index+1]; lcs[index] = '\u0000'; // Set the terminating character // Start from the right-most-bottom-most…arrow_forwardGive the output of the following program public class QuizProblem { public static String quizProb(int i, int j, String myString) { String answer = ""; if(i > j) { return answer; } else { return quizProb(i+1,j,myString) + myString.charAt(i); } } public static void main(String[] args) { String testStr="marshall"; System.out.println(quizProb(0,testStr.length()-1,"marshall")); } }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
6 Stages of UI Design; Author: DesignerUp;https://www.youtube.com/watch?v=_6Tl2_eM0DE;License: Standard Youtube License