Wednesday, December 6, 2017
Wednesday, November 8, 2017
public class CToF {
private double degrees;
public double getDegrees() {
return degrees;
}
public void setDegrees(double degrees) {
this.degrees = degrees;
}
public CToF(double degrees){
this.degrees = degrees;
}
public double getFahrenheit(){
return 9.0/5.0 * degrees + 32;
}
}
public class FToC {
private double degrees;
public double getDegrees() {
return degrees;
}
public void setDegrees(double degrees) {
this.degrees = degrees;
}
public FToC(double degrees){
this.degrees = degrees;
}
public double getCelsius(){
return 5.0/9.0 * (degrees - 32);
}
}
private double degrees;
public double getDegrees() {
return degrees;
}
public void setDegrees(double degrees) {
this.degrees = degrees;
}
public CToF(double degrees){
this.degrees = degrees;
}
public double getFahrenheit(){
return 9.0/5.0 * degrees + 32;
}
}
public class FToC {
private double degrees;
public double getDegrees() {
return degrees;
}
public void setDegrees(double degrees) {
this.degrees = degrees;
}
public FToC(double degrees){
this.degrees = degrees;
}
public double getCelsius(){
return 5.0/9.0 * (degrees - 32);
}
}
Wednesday, October 18, 2017
Thursday, October 12, 2017
Monday, October 9, 2017
Wednesday, September 27, 2017
public class Rectangle {
private double length, width;
public double getLength() {
return length;
}
public void setLength(double length) {
this.length = length;
}
public double getWidth() {
return width;
}
public void setWidth(double width) {
this.width = width;
}
public Rectangle(double length, double width){
this.length = length;
this.width = width;
}
public double getArea(){
return length * width;
}
public double getPerimeter(){
return 2 * (length + width);
}
}
private double length, width;
public double getLength() {
return length;
}
public void setLength(double length) {
this.length = length;
}
public double getWidth() {
return width;
}
public void setWidth(double width) {
this.width = width;
}
public Rectangle(double length, double width){
this.length = length;
this.width = width;
}
public double getArea(){
return length * width;
}
public double getPerimeter(){
return 2 * (length + width);
}
}
Wednesday, September 13, 2017
Wednesday, August 23, 2017
CH1 Ex 1
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Loops</h2>
<p id="demo"></p>
<script>
var text = "";
var i;
for (i = 1; i <= 10; i++) {
text += i + "<br>";
}
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>
Swift Example
<html>
<body>
<h2>JavaScript Loops</h2>
<p id="demo"></p>
<script>
var text = "";
var i;
for (i = 1; i <= 10; i++) {
text += i + "<br>";
}
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>
JavaScript Loops
Swift Example
Friday, July 7, 2017
Monday, June 26, 2017
Ch6: Swift Rectangle class example
import Foundation
class Rectangle {
var length = 0
var width = 0
init(length: Int, width: Int) { // Constructor
self.length = length
self.width = width
}
var Area: Int{
return length*width
}
func getArea() -> Int {
return length*width
}
}
class Circle {
var radius = 0.0
init(radius: Double) { // Constructor
self.radius = radius
}
var Area: Double{
return 3.14*(radius*radius)
}
func getArea() -> Double {
return 3.14*(radius*radius)
}
}
let rect1 = Rectangle(length: 10, width: 10)
print(rect1.Area) // access the property
print(rect1.getArea())
let circ1=Circle(radius:12.0)
print(circ1.Area)
print(circ1.getArea())
class Rectangle {
var length = 0
var width = 0
init(length: Int, width: Int) { // Constructor
self.length = length
self.width = width
}
var Area: Int{
return length*width
}
func getArea() -> Int {
return length*width
}
}
class Circle {
var radius = 0.0
init(radius: Double) { // Constructor
self.radius = radius
}
var Area: Double{
return 3.14*(radius*radius)
}
func getArea() -> Double {
return 3.14*(radius*radius)
}
}
let rect1 = Rectangle(length: 10, width: 10)
print(rect1.Area) // access the property
print(rect1.getArea())
let circ1=Circle(radius:12.0)
print(circ1.Area)
print(circ1.getArea())
Monday, June 19, 2017
CH5 Hellotextbox
package com.example.stu2000.hellotextbox;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.*;
public class MainActivity extends AppCompatActivity implements OnClickListener{
private EditText editText;
private TextView textView;
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = (EditText)findViewById(R.id.editText);
textView = (TextView)findViewById(R.id.textView2);
button = (Button)findViewById(R.id.button);
button.setOnClickListener(this);
}
@Override
public void onClick(View v) {
textView.setText(editText.getText().toString());
}
}
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.*;
public class MainActivity extends AppCompatActivity implements OnClickListener{
private EditText editText;
private TextView textView;
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = (EditText)findViewById(R.id.editText);
textView = (TextView)findViewById(R.id.textView2);
button = (Button)findViewById(R.id.button);
button.setOnClickListener(this);
}
@Override
public void onClick(View v) {
textView.setText(editText.getText().toString());
}
}
Wednesday, March 15, 2017
Chapter 7: Xamarin
Do not try to follow chapter 7 in the text as it uses obsolete technology.
You should create a Xamarin cross-platform project and not silver-light.
You may need to install MS Visual Studio 2017.
Tuesday, March 7, 2017
Wednesday, March 1, 2017
Tuesday, February 28, 2017
CIST2381 MidTerm Review
Notes for Mobile App Development Test
consists of:
8 t/f
19 mult choice
6 short answer
t/f
* question have smartphones have always had smart screens? (pg. 4)
* java question: when using an inherited method, casting to superclass (pg. 50)
* question about "where is my phone app" (in book chapter four. pg 88)
* java class can extend only one superclass (pg. 122)
mult. choice
* which phone has highest screen resolution (as of last year/keep vendor in mind pg. 9)
* pseudo-code with while loop (analyze, only two variables involved and figured out
results. pg 3)
* think of names for accessor methods (i.e. constructors/properties etc pg. 43)
* app inventor question which part represents android phone screen (i.e. whats the name
pg.76)
* when you have a component not displayed in user interface it is called. (pg. 88)
* advantages of android studio over app inventor (pg. 103)
* the definition of refractoring (pg. 124)
* code will be listed (appears to be java code) which is being implemented (pg. 129)
* what interface is for button press event (pg. 145)
short answer
* when you are targeting a specific platform the app is said to be what? (pg. 6)
* asking about four layers of the android platform architecture (pg. 18)
* asking about four layers (in order) of the apple platform architecture (pg.20)
* discussion about protected vs. private vs. public access modifers ( make sure
you understand what all three do pg. 132)
Monday, January 23, 2017
Chapter 6 (Apple iOS programming): The Swift Programming Language
WIKI Article Swift_(programming_language)
IBM Swift Sandbox, online Swift compiler and execution
IBM Swift Sandbox, online Swift compiler and execution
//my hello world/loop var str="Hello world!"; for i in 0..<10 i="" pre="" print="" str="">
//Rectangle Class example
import Foundation
class Rectangle {
var length = 0
var width = 0
init(length: Int, width: Int) { // Constructor
self.length = length
self.width = width
}
var Area: Int{
return length*width
}
func getArea() -> Int {
return length*width
}
}
let rect1 = Rectangle(length: 10, width: 10)
print(rect1.Area) // access the property
print(rect1.getArea())
Wednesday, January 4, 2017
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