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Chloe Fontenot 🏳️‍⚧️
2023-03-16 08:09:48 -05:00
parent e28eec5c61
commit 880852443a
7 changed files with 246 additions and 14 deletions
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50
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/CircleWithUncheckedException.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
/**
*
* @author calebfontenot
*/
public class CircleWithUncheckedException {
private double radius;
public CircleWithUncheckedException()
{
this(1.0);
}
public CircleWithUncheckedException(double radius)
{
if (radius < 0) {
throw new IllegalArgumentException("Radius cannot be negative.");
}
this.radius = radius;
}
public double getRadius() {
return radius;
}
public void setRadius(double radius) {
if (radius < 0) {
throw new IllegalArgumentException("Radius cannot be negative.");
}
this.radius = radius;
}
@Override
public String toString() {
return "CircleWithUnheckedException{" + "radius=" + radius + '}';
}
public static void main(String[] args) {
try {
System.out.println(new CircleWithUncheckedException(5));
System.out.println(new CircleWithUncheckedException(-5));
System.out.println(new CircleWithUncheckedException(10));
} catch (Exception ex) {
System.err.println(ex.getMessage());
}
}
}

33
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/TestFileClass.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class TestFileClass {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter a file path or directory: ");
String filePath = input.nextLine();
testFile(filePath);
}
public static void testFile(String filePath) {
java.io.File file = new java.io.File(filePath);
System.out.println("Does it exist? " + file.exists());
System.out.println("The file has " + file.length() + " bytes.");
System.out.println("Can it be read? " + file.canRead());
System.out.println("Can it be written? " + file.canWrite());
System.out.println("Is it a directory? " + file.isDirectory());
System.out.println("Is it a file? " + file.isFile());
System.out.println("Is it absolute? " + file.isAbsolute());
System.out.println("Is it hidden? " + file.isHidden());
System.out.println("The absolute path to this file is " + file.getAbsolutePath());
System.out.println("Last modified on " + new java.util.Date(file.lastModified()));
}
}

43
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ToDecimal.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class ToDecimal {
public static int hexToDecimal(String hex) {
int decimalValue =0;
for (int i = 0; i < hex.length(); ++i) {
char hexChar = hex.charAt(i);
decimalValue = decimalValue * 16 + hexCharToDecimal(hexChar);
}
return decimalValue;
}
public static int hexCharToDecimal(char ch) {
ch = Character.toUpperCase(ch);
if (ch >= 'A' && ch <= 'F') {
return 10 + ch - 'A';
} else if (ch >= '0' && ch <= '9'){ // ch is '0', '1', or '9'
return ch - '0';
} else {
throw new NumberFormatException("Invalid hex character");
}
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter a hex number or q/Q to quit: ");
String hex = input.nextLine();
while ("q".equals(hex.toLowerCase()) == false) {
System.out.println("The decimal value for hex number " + hex + " is " + hexToDecimal(hex.toUpperCase()));
System.out.print("Emter a hex number: ");
hex = input.nextLine();
}
}
}

50
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/Triangle.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class Triangle implements Geo{
private double side1 = 1.0, side2 = 1.0, side3 = 1.0;
public Triangle(double side1, double side2, double side3) {
this.side1 = side1;
this.side2 = side2;
this.side3 = side3;
}
@Override
public double getArea() {
double s = (side1 + side2 + side3) / 2;
return Math.sqrt(s * (s - side1) * (s - side2) * (s - side3));
}
@Override
public double getPerimeter() {
return side1 + side2 + side3;
}
@Override
public String toString() {
return "Triangle: side1 = " + side1 + " side2 = " + side2 + " side3 = " + side3;
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Enter the three sides: ");
double side1 = input.nextDouble();
double side2 = input.nextDouble();
double side3 = input.nextDouble();
Triangle triangle = new Triangle(side1, side2, side3);
System.out.println("The area is " + triangle.getArea());
System.out.println("The perimeter is " + triangle.getPerimeter());
System.out.println(triangle);
}
}
interface Geo {
double getArea();
public double getPerimeter();
}