[POO] Removed tp_codecheck
--> Didn't really have too much there and not worth keeping around
This commit is contained in:
parent
dd843435b0
commit
ebdf870158
|
|
@ -1,6 +0,0 @@
|
|||
# Programação Orientada a Objetos
|
||||
## Exercícios TP
|
||||
### Resoluções para exercícios sugeridos nas aulas Teórico-Práticas
|
||||
|
||||
---
|
||||
*Pode conter erros, caso encontre algum, crie um* [*ticket*](https://github.com/TiagoRG/uaveiro-leci/issues/new)
|
||||
|
|
@ -1,59 +0,0 @@
|
|||
package tp_codecheck.tp01;
|
||||
|
||||
// Solução do exercício 2
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
/**
|
||||
This program updates an account balance, according to the table below:
|
||||
Balance Interest Rate Charge
|
||||
> $100,000.00 2.75 % $ 0.00
|
||||
> $25,000.00 2.00 % $ 0.00
|
||||
> $10,000.00 1.00 % $ 0.00
|
||||
>= $0.00 0.00 % $ 0.00
|
||||
< $0.00 0.00 % $ 25.00
|
||||
and prints out the new balance.
|
||||
*/
|
||||
public class BankInterest
|
||||
{
|
||||
public static void main(String[] args)
|
||||
{
|
||||
// Define constants
|
||||
final double HI_RATE = 2.75;
|
||||
final double MD_RATE = 2.00;
|
||||
final double LO_RATE = 1.00;
|
||||
final double ZERO_RATE = 0.00;
|
||||
final double DEB_CHG = -25.00;
|
||||
|
||||
final double HI_LIMIT = 100000.00;
|
||||
final double MD_LIMIT = 25000.00;
|
||||
final double LO_LIMIT = 10000.00;
|
||||
final double ZERO_LIMIT = 0.00;
|
||||
|
||||
// Print prompt to enter a current balence
|
||||
System.out.print("Enter current balance: ");
|
||||
|
||||
// Read balance
|
||||
Scanner in = new Scanner(System.in);
|
||||
double balance = in.nextDouble();
|
||||
|
||||
// Determine interest rate (or charge) based on current balance
|
||||
// to compute new balance
|
||||
|
||||
// Your work here
|
||||
|
||||
double newBalance;
|
||||
if (balance > HI_LIMIT)
|
||||
newBalance = balance*(1+HI_RATE/100);
|
||||
else if (balance > MD_LIMIT)
|
||||
newBalance = balance*(1+MD_RATE/100);
|
||||
else if (balance > LO_LIMIT)
|
||||
newBalance = balance*(1+LO_RATE/100);
|
||||
else if (balance < ZERO_LIMIT)
|
||||
newBalance = balance+DEB_CHG;
|
||||
else
|
||||
newBalance = balance;
|
||||
|
||||
System.out.printf("%.2f\n", newBalance);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,28 +0,0 @@
|
|||
package tp_codecheck.tp01;
|
||||
|
||||
// Solução do exercício 3
|
||||
|
||||
public class Table {
|
||||
|
||||
public static void main(String[] args) {
|
||||
System.out.printf("%s | %s | %s | %s\n", "n", "Hn", "log n", "Hn - log n");
|
||||
int n = 1;
|
||||
while (n <= 1000000) {
|
||||
double f1 = harmonic(n);
|
||||
double f2 = Math.log((double)n);
|
||||
System.out.printf("%d | %.3f | %.3f | %.9f\n", n, f1, f2, f1-f2);
|
||||
n *= 2;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Computes the Harmonic number Hn = 1 + 1/2 + 1/3 + ... + 1/n.
|
||||
*/
|
||||
private static double harmonic(int n) {
|
||||
double sum = 0;
|
||||
for (int i = 1; i <= n; i++) {
|
||||
sum += 1/(float)i;
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
package tp_codecheck.tp01;
|
||||
|
||||
// Solução do exercício 1
|
||||
|
||||
/*
|
||||
This is a short Java program to convert
|
||||
a temperature from Celsius to Fahrenheit.
|
||||
*/
|
||||
|
||||
// You may want to import stuff here...
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
public class Temperature {
|
||||
// Create a Scanner to parse standard input:
|
||||
private static Scanner sc = new Scanner(System.in);
|
||||
|
||||
public static void main(String[] args) {
|
||||
// Put your code here
|
||||
System.out.print("Celsius? ");
|
||||
double celcius = sc.nextDouble();
|
||||
double fahrenheit = 1.8*celcius+32;
|
||||
System.out.printf("%f C = %f F\n", celcius, fahrenheit);
|
||||
|
||||
System.out.println("THE END");
|
||||
}
|
||||
}
|
||||
|
||||
// JMR 2023
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
# Exercícios de Arrays
|
||||
|
||||
## Ex1
|
||||
```java
|
||||
final int LENGHT = 100;
|
||||
int[] a = new int[LENGHT];
|
||||
// Code for filling a ommited
|
||||
for (int = 99; i >= 0; i--)
|
||||
{
|
||||
System.out.print(a[i]);
|
||||
if (i > 0) { System.out.print(', '); }
|
||||
}
|
||||
```
|
||||
|
||||
## Ex2
|
||||
```java
|
||||
int[] numbers = new int[100];
|
||||
for (int k = 0; k < numbers.length; k++)
|
||||
{
|
||||
numbers[k] = k + 1;
|
||||
}
|
||||
```
|
||||
|
||||
|
|
@ -1,27 +0,0 @@
|
|||
package tp_codecheck.tp02;
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
public class NumberOfDays {
|
||||
public static void main(String[] args)
|
||||
{
|
||||
// Declare and initialize daysOfMonth
|
||||
int[] daysOfMonth = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
|
||||
|
||||
Scanner in = new Scanner(System.in);
|
||||
System.out.print("Month (1 - 12): ");
|
||||
int month = in.nextInt();
|
||||
System.out.print("Year: ");
|
||||
int year = in.nextInt();
|
||||
|
||||
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
|
||||
// It's a leap year. Adjust the entry for February
|
||||
daysOfMonth[1]+=1;
|
||||
}
|
||||
|
||||
// Get the number of days in the given month
|
||||
int days = daysOfMonth[month-1];
|
||||
|
||||
System.out.println("Number of days: " + days);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,17 +0,0 @@
|
|||
package tp_codecheck.tp02;
|
||||
|
||||
public class Numbers {
|
||||
public static void main(String[] args) {
|
||||
// Different arrays will be substituted here.
|
||||
int[] values = { 3, 1, 4, 1, 5, 9 };
|
||||
int[] newValues = new int[values.length/2];
|
||||
|
||||
for (int x = 0; x < values.length; x+=2) {
|
||||
newValues[x/2] = values[x];
|
||||
}
|
||||
|
||||
for (int i = 0; i < newValues.length; i++) {
|
||||
System.out.println(newValues[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,9 +0,0 @@
|
|||
# Tabela Exercício 1 de Strings
|
||||
|
||||
| Question | Answer |
|
||||
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------|
|
||||
| What is the length of the string below?<br>String str = "Java Program" | 12 |
|
||||
| With str as defined above, give a call to the substring method that returns the substring "gram". | str.substring(8) |
|
||||
| Use the string concatenation operator to change the string variable str to contain the string "Java Programming". | str += "ming" |
|
||||
| What does the following statement sequence print?<br><br>String str = "Harry";<br>int n = str.length();<br>String mystery = str.substring(0, 1) + str.substring(n - 1, n);<br>System.out.println(mystery); | Hy |
|
||||
| Consider the following statement sequence. If the user provides the input John Q. Public, what is printed? If an error occurs, type error.<br><br>Scanner in = new Scanner(System.in);<br>String first = in.next();<br>String last = in.next();<br>System.out.println(last + ", " + first); | Q., John |
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
package tp_codecheck.tp02;
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
public class Words {
|
||||
public static void main(String[] args) {
|
||||
Scanner in = new Scanner(System.in);
|
||||
String word = in.next();
|
||||
word = word.charAt(word.length()-1) + word.substring(1, word.length()-1) + word.charAt(0);
|
||||
System.out.println(word);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,66 +0,0 @@
|
|||
package tp_codecheck.tp03.part1;
|
||||
|
||||
/**
|
||||
A simulated traffic light.
|
||||
*/
|
||||
public class TrafficLight1
|
||||
{
|
||||
private String color;
|
||||
private int reds;
|
||||
|
||||
/**
|
||||
Constructs a green traffic light.
|
||||
*/
|
||||
public TrafficLight1()
|
||||
{
|
||||
this.color = "green";
|
||||
this.reds = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
Constructs a traffic light.
|
||||
@param initialColor the initial color "green", "yellow", or "red"
|
||||
*/
|
||||
public TrafficLight1(String initialColor)
|
||||
{
|
||||
this.color = initialColor;
|
||||
this.reds = initialColor == "red" ? 1 : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
Moves this traffic light to the next color.
|
||||
*/
|
||||
public void next()
|
||||
{
|
||||
switch (this.color) {
|
||||
case "red":
|
||||
this.color = "green";
|
||||
break;
|
||||
case "green":
|
||||
this.color = "yellow";
|
||||
break;
|
||||
case "yellow":
|
||||
this.color = "red";
|
||||
this.reds += 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
Returns the current color of this traffic light.
|
||||
@return the current color
|
||||
*/
|
||||
public String getColor()
|
||||
{
|
||||
return this.color;
|
||||
}
|
||||
|
||||
/**
|
||||
Counts how often this traffic light has been red.
|
||||
@return the number of times this traffic light has been red
|
||||
*/
|
||||
public int getReds()
|
||||
{
|
||||
return this.reds;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,68 +0,0 @@
|
|||
package tp_codecheck.tp03.part1;
|
||||
|
||||
/**
|
||||
A simulated traffic light.
|
||||
*/
|
||||
public class TrafficLight2
|
||||
{
|
||||
private int steps;
|
||||
|
||||
/**
|
||||
Constructs a green traffic light.
|
||||
*/
|
||||
public TrafficLight2()
|
||||
{
|
||||
this.steps = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
Constructs a traffic light.
|
||||
@param initialColor the initial color "green", "yellow", or "red"
|
||||
*/
|
||||
public TrafficLight2(String initialColor)
|
||||
{
|
||||
switch (initialColor) {
|
||||
case "green":
|
||||
this.steps = 0;
|
||||
break;
|
||||
case "yellow":
|
||||
this.steps = 1;
|
||||
break;
|
||||
case "red":
|
||||
this.steps = 2;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
Moves this traffic light to the next color.
|
||||
*/
|
||||
public void next()
|
||||
{
|
||||
steps++;
|
||||
}
|
||||
|
||||
/**
|
||||
Returns the current color of this traffic light.
|
||||
@return the current color
|
||||
*/
|
||||
public String getColor()
|
||||
{
|
||||
int rem = (this.steps + 1) % 3;
|
||||
if (rem == 0)
|
||||
return "red";
|
||||
else if (rem == 1)
|
||||
return "green";
|
||||
else
|
||||
return "yellow";
|
||||
}
|
||||
|
||||
/**
|
||||
Counts how often this traffic light has been red.
|
||||
@return the number of times this traffic light has been red
|
||||
*/
|
||||
public int getReds()
|
||||
{
|
||||
return (this.steps + 1) / 3;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,72 +0,0 @@
|
|||
package tp_codecheck.tp03.part2;
|
||||
|
||||
public class RentalCar {
|
||||
private boolean rented;
|
||||
private static int rentedCount = 0;
|
||||
private static int availableCount = 0;
|
||||
|
||||
/**
|
||||
* Constructs a rental car.
|
||||
*/
|
||||
public RentalCar() {
|
||||
// your work here
|
||||
rented = false;
|
||||
RentalCar.availableCount++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get number of cars available.
|
||||
*
|
||||
* @return count of cars that are available
|
||||
*/
|
||||
public static int numAvailable() {
|
||||
// your work here
|
||||
return RentalCar.availableCount;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get number of cars rented.
|
||||
*
|
||||
* @return count of cars that are rented
|
||||
*/
|
||||
public static int numRented() {
|
||||
// your work here
|
||||
return RentalCar.rentedCount;
|
||||
}
|
||||
|
||||
/**
|
||||
* Try to rent this car.
|
||||
*
|
||||
* @return true if the car was successfully rented, false if it was already
|
||||
* rented
|
||||
*/
|
||||
public boolean rentCar() {
|
||||
// your work here
|
||||
if (this.rented) {
|
||||
return false;
|
||||
} else {
|
||||
this.rented = true;
|
||||
RentalCar.rentedCount++;
|
||||
RentalCar.availableCount--;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Return rented car.
|
||||
*
|
||||
* @return true if the car was previously rented and is now returned,
|
||||
* false if it was not previously rented
|
||||
*/
|
||||
public boolean returnCar() {
|
||||
// your work here
|
||||
if (this.rented) {
|
||||
this.rented = false;
|
||||
RentalCar.rentedCount--;
|
||||
RentalCar.availableCount++;
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue