Introduction to Java Programming and Data Structures: Brief Version (11th Global Edition)
11th Edition
ISBN: 9780134671710
Author: Y. Daniel Liang
Publisher: PEARSON
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Textbook Question
Chapter 8.2, Problem 8.2.4CP
Which of the following statements are valid?
int [] [] r = new int[2];
int [] x = new int[];
int [] [] y = new int[3] [];
int [] [] z = {{1, 2}};
int [] [] m = {{1, 2}, {2, 3}};
int [] [] n = {{1, 2}, {2, 3},} ;
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// defining the pins
const int green_led = 3;const int red_led = 5;const int yellow_led = 6;const int buzzer = 4;const int button_status = 12;const int button_fall = 11;const int button_safe = 10;const int potentiometer = A0;
int pot_value;int button_fall_state;int button_safe_state;int last_button_fall_state;int buzzer_state;int threshold = 512;
int button_status_state = 0;
void setup() { // put your setup code here, to run once:Serial.begin(9600);// Initializing digital pins as outputpinMode(green_led, OUTPUT);pinMode(red_led, OUTPUT);pinMode(yellow_led, OUTPUT);pinMode(buzzer, OUTPUT);
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digitalWrite(buzzer, LOW);digitalWrite(yellow_led, LOW);
}
void loop() { // read current state of the status button button_status_state = digitalRead(button_status);
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(1)
The velocity v (m/s) of air flowing past a flat surface is measured at several
distances y (m) away from the surface. Determine the shear stress T (N/m²)
at the surface (y = 0), using Newton's viscosity law: T = u(dv/dy). Use the
following data, and provide an O(h) approximation and an O(h²)
approximation. Assume μ = 1.8 × 10-5 Ns/m². (Tip: see Fig. 23.1 for finite
difference approximations)
y (m)
0.0
0.002
0.004
0.006
0.012
v (m/s)
0.0
0.287
0.593
0.899
1.915
Chapter 8 Solutions
Introduction to Java Programming and Data Structures: Brief Version (11th Global Edition)
Ch. 8.2 - Declare an array reference variable for a...Ch. 8.2 - Prob. 8.2.2CPCh. 8.2 - What is the output of the following code? int[] []...Ch. 8.2 - Which of the following statements are valid? int...Ch. 8.3 - Show the output of the following code: int[][]...Ch. 8.3 - Show the output of the following code: int[][]...Ch. 8.4 - Show the output of the following code: public...Ch. 8.5 - Prob. 8.5.1CPCh. 8.6 - What happens if the input has only one point?Ch. 8.7 - What happens if the code in line 51 in Listing 8.4...
Ch. 8.8 - Declare an array variable for a three-dimensional...Ch. 8.8 - Assume char[][][] x =new char[12][5][2], how many...Ch. 8.8 - Show the output of the following code: int[][][]...Ch. 8 - (Sum elements column by column) Write a method...Ch. 8 - (Sum the major diagonal in a matrix) Write a...Ch. 8 - (Sort students on grades) Rewrite Listing 8.2,...Ch. 8 - (Compute the weekly hours for each employee)...Ch. 8 - (Algebra: add two matrices) Write a method to add...Ch. 8 - (Algebra: multiply two matrices) Write a method to...Ch. 8 - (Points nearest to each other) Listing 8.3 gives a...Ch. 8 - (All closest pairs of points) Revise Listing 8.3,...Ch. 8 - Prob. 8.9PECh. 8 - (Largest row and column) Write a program that...Ch. 8 - (Game: nine heads and tails) Nine coins are placed...Ch. 8 - (Financial application: compute tax) Rewrite...Ch. 8 - (Locate the largest element) Write the following...Ch. 8 - (Explore matrix) Write a program that prompts the...Ch. 8 - (Geometry: same line ?) Programming Exercise 6.39...Ch. 8 - (Sort two-dimensional array) Write a method to...Ch. 8 - (Financial tsunami) Banks lend money to each...Ch. 8 - (Shuffle rows) Write a method that shuffles the...Ch. 8 - (Pattern recognition: four consecutive equal...Ch. 8 - Prob. 8.20PECh. 8 - (Central city) Given a set of cities, the central...Ch. 8 - (Even number of 1s) Write a program that generates...Ch. 8 - (Game: find the flipped cell) Suppose you are...Ch. 8 - (Check Sudoku solution) Listing 8.4 checks whether...Ch. 8 - Prob. 8.25PECh. 8 - (Row sorting) Implement the following method to...Ch. 8 - (Column sorting) Implement the following method to...Ch. 8 - (Strictly identical arrays) The two-dimensional...Ch. 8 - (Identical arrays) The two-dimensional arrays m1...Ch. 8 - (Algebra: solve linear equations) Write a method...Ch. 8 - (Geometry: intersecting point) Write a method that...Ch. 8 - (Geometry: area of a triangle) Write a method that...Ch. 8 - (Geometry: polygon subareas) A convex four-vertex...Ch. 8 - (Geometry: rightmost lowest point) In...Ch. 8 - (Largest block) Given a square matrix with the...Ch. 8 - (Latin square) A Latin square is an n-by-n array...Ch. 8 - (Guess the capitals) Write a program that...
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