Absolute Java (6th Edition)
6th Edition
ISBN: 9780134041674
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 15STE
Something could go wrong with the following code. Identify and fix the problem.
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This is the code that needs to be corrected:
// This application gets a user's name and displays a greeting
import java.util.Scanner;
public class DebugThree3
{
public static void main(String args[])
{
String name;
name = getName();
displayGreeting(name);
}
public static String getName(name)
{
String name;
Scanner input = new Scanner(System.in);
System.out.print("Enter name ");
name = input.nexlLine();
return name;
}
public static displayGreeting(String name)
{
System.outprintln("Hello, " + name + "!");
}
}
Print "userNum1 is negative." if userNum1 is less than 0. End with newline.
Assign userNum2 with 4 if userNum2 is greater than 9. Otherwise, print "userNum2
is less than or equal to 9.". End with newline.
1 import java.util.Scanner;
2 public class UserNums {
public static void main (String [] args) {
int userNum1;
int userNum2;
4
6.
7
Scanner input
userNum1 =
8.
= new Scanner(System.in);
input.nextInt();
input.nextInt();
9.
10
userNum2
11
12
V* Your code goes here */
13
System.out.println("userNum2 is "
}
14
+ userNum2);
15
16
17 }
int stop = 6;
int num =6;
int count=0;
for(int i = stop; i >0; i-=2)
{
num += i;
count++;
}
System.out.println("num = "+ num);
System.out.println("count = "+ count);
}
}
Chapter 2 Solutions
Absolute Java (6th Edition)
Ch. 2 - Prob. 1STECh. 2 - Write Java statements that will cause the...Ch. 2 - What is the difference between System.out.println...Ch. 2 - Prob. 4STECh. 2 - What output is produced by the following code?
Ch. 2 - What output is produced by the following code? For...Ch. 2 - Write a Java statement to output the value in...Ch. 2 - What output is produced by the following code?...Ch. 2 - Suppose the class Robot is a part of the standard...Ch. 2 - Write an import statement that makes the Scanner...
Ch. 2 - Prob. 11STECh. 2 - Write a line of code that uses the object frank...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Something could go wrong with the following code....Ch. 2 - Suppose your code creates an object of the class...Ch. 2 - Continue with the object keyboard from Self-Test...Ch. 2 - Prob. 18STECh. 2 - What is missing from the following code, which...Ch. 2 - The Babylonian algorithm to compute the square...Ch. 2 - (This is a version with input of an exercise from...Ch. 2 - Write a program that reads in two numbers typed on...Ch. 2 - John travels a distance of 55 miles at an average...Ch. 2 - Grade point average (GPA) in a 4-point scale is...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that determines the change to be...Ch. 2 - Write a program that reads in a string containing...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that inputs the name, quantity,...Ch. 2 - Write a program that calculates the total grade...Ch. 2 - (This is a variant of an exercise from Chapter 1.)...Ch. 2 - (This is an extension of an exercise from Chapter...Ch. 2 - From Programming Project 10 in Chapter 1,...
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