Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 11E
What does the Java code
Scanner keyboard = new Scanner(System.in);
System.out.println("Enter a string.");
int n – keyboard.nextInt ();
String s = keyboard.next ();
System.out.println("n is" + n);
System.out.println("s is" + s);
display when the keyboard input is 2istheinput ?
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// DebugFive4.java
// Outputs highest of four numbers
import java.util.*;
public class DebugFive4
{
publicstaticvoidmain (Stringargs[])
{
Scanner input =newScanner(System.in);
int one, two, three, four;
String str, output;
System.out.println("Enter an integer");
str = input.next();
one = Integer.parseInt(str);
System.out.println("Enter an integer");
str = input.next();
two = Integer.parseInt(str);
System.out.println("Enter an integer");
str = input.next();
three = Integer.parseInt(str);
System.out.println("Enter an integer");
str = input.next();
four = Integer.parseInt(str);
if(one > two > one > three > one > four)
output = "Highest is " + four;
else
if(two > one && two > three !! two > four)
output = "Highest is " + three;
else
if(three > one && three > two && three > four)
output = "Highest is " + three;
else
output = "Highest is " + four;
System.out.println(output);
}
}
// Displays five random numbers between
// (and including) user-specified values
import java.util.Scanner;
public class DebugSix4
{
publicstaticvoidmain(String[] args)
{
int high, low, count =0;
finalint NUM =5;
Scanner input =newScanner(System.in);
System.out.print("This application displays " + NUM +
" random numbers"+
"\nbetween the low and high values you enter"+
"\nEnter low value now... ");
low = input.nextInt()
System.out.print("Enter high value... ");
high = inputnextInt();
while(low < high)
{
System.out.println("The number you entered for a high number, " +
high + ", is not more than " + low);
System.out.print("Enter a number higher than " + low + "... ");
high = input.nextInt();
while(count <NUM)
{
double result = Math.random();
int answer = (int) (result *10+ low);
if(answer <= higher)
{
System.out.print(answer + " ");
++count;
}
}
System.out.println("End of Application");
}
}
Chapter 2 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 2.1 - Prob. 1STQCh. 2.1 - Can a Java program have two different variables...Ch. 2.1 - Prob. 3STQCh. 2.1 - Give the declaration for two variables of type...Ch. 2.1 - Write the declaration for two variables called...Ch. 2.1 - What is the normal spelling convention for named...Ch. 2.1 - Prob. 7STQCh. 2.1 - Prob. 8STQCh. 2.1 - Prob. 9STQCh. 2.1 - Prob. 10STQ
Ch. 2.1 - Prob. 11STQCh. 2.1 - In the Programming Tip entitled Type Casting a...Ch. 2.1 - What is the output produced by the following lines...Ch. 2.1 - What is the output produced by the following lines...Ch. 2.1 - Prob. 15STQCh. 2.1 - Prob. 16STQCh. 2.1 - Consider the following statement from the program...Ch. 2.1 - Prob. 18STQCh. 2.2 - Prob. 19STQCh. 2.2 - What output is produced by the following...Ch. 2.2 - What output is produced by the following...Ch. 2.2 - What output is produced by the following...Ch. 2.2 - What output is produced by the following...Ch. 2.2 - What output is produced by the following...Ch. 2.2 - What is the value of the expression sl.equals(s2)...Ch. 2.2 - What is the value of the expression s1.equals (s2)...Ch. 2.3 - Write Java statements that will cause the...Ch. 2.3 - What is the difference between the methods...Ch. 2.3 - Write a complete Java program that reads a line of...Ch. 2.3 - Write a complete Java program that reads one line...Ch. 2.3 - What output is produced by the following...Ch. 2.4 - Prob. 32STQCh. 2.4 - What is the output produced by the following Java...Ch. 2.4 - Although it is kind of silly, state legislatures...Ch. 2.5 - Prob. 35STQCh. 2.5 - Give a Java statement that will display a dialog...Ch. 2.5 - Give a Java statement that, when executed, will...Ch. 2.5 - Prob. 38STQCh. 2.5 - Write a complete Java program that produces a...Ch. 2.5 - Write a complete Java program that behaves as...Ch. 2 - Write a program that demonstrates the approximate...Ch. 2 - Write a program that demonstrates type casting of...Ch. 2 - Write a program that demonstrates the operator %...Ch. 2 - If u = 2, v = 3, w = 5, x = 7, and y = 11, what is...Ch. 2 - What changes to the ChangeMaker program in Listing...Ch. 2 - If the int variable x contains 10, what will the...Ch. 2 - Write some Java statements that use the String...Ch. 2 - Prob. 8ECh. 2 - Prob. 9ECh. 2 - Write a single Java statement that will display...Ch. 2 - What does the Java code Scanner keyboard = new...Ch. 2 - What does the Java code Scanner keyboard = new...Ch. 2 - Prob. 13ECh. 2 - Many sports have constants embedded in their...Ch. 2 - Prob. 15ECh. 2 - Define named constants that you could use in...Ch. 2 - Write a program that reads three whole numbers and...Ch. 2 - Write a program that uses Scanner to read two...Ch. 2 - Write a program that reads the amount of a monthly...Ch. 2 - Write a program that reads a four-digit integer,...Ch. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Write a program that converts degrees from...Ch. 2 - Write a program that reads a line of text and then...Ch. 2 - Write a program that will read a line of text as...Ch. 2 - Write a program that asks the user to enter a...Ch. 2 - Write a program that determines the change to be...Ch. 2 - Write a program that reads a 4-bit binary number...Ch. 2 - Prob. 7PPCh. 2 - The Harris-Benedict equation estimates the number...Ch. 2 - Repeat any of the previous programming projects...Ch. 2 - Write a program that reads a string for a date in...Ch. 2 - It is important to consider the effect of thermal...
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