Finish Lab10

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/CharacterClassStringClass.java

@@ -0,0 +1,59 @@
+/*
+ * 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 lab10_calebfontenot;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author caleb
+ */
+public class CharacterClassStringClass {
+
+    public static void main(String[] args) {
+        // Create Scanner
+        Scanner input = new Scanner(System.in);
+
+        // Declare variables
+        String userResponse;
+        boolean loopToggle = true;
+        int parseCheck;
+
+        // While loop
+        while (loopToggle) {
+            System.out.println("Continue looping?");
+            System.out.println("Please enter y/n or yes/no: ");
+            userResponse = input.next();
+
+            if (userResponse.toLowerCase().charAt(0) == 'y') {
+                // User has responded with 'y'
+                System.out.println("You typed '" + userResponse + '\'');
+                System.out.println("ok!");
+            } else if (userResponse.toLowerCase().charAt(0) == 'n') {
+                // User has responded with 'n'
+                System.out.println("You typed " + userResponse.charAt(0));
+                // Kill the loop.
+                loopToggle = false;
+            } // Invalid input handling
+            else {
+                // Attempt to parse string as an integer.
+                try {
+                    parseCheck = Integer.parseInt(userResponse);
+                    // If it got past this, the user entered a number.
+                    System.out.println("Invalid input! You entered " + parseCheck + ", which is an integer!");
+                } catch (NumberFormatException ex) {
+                    if (!(userResponse.length() > 1)) { // Condition is true if response is a char.
+                        System.out.println("'" + userResponse + "' is an incorrect character!");
+                    } else { // Response is a string.
+                        System.out.println("'" + userResponse + "' is too long!");
+                    }
+                }
+
+            }
+
+        }
+
+    }
+}

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/EscapeSequencesAndUnicode.java

@@ -0,0 +1,31 @@
+/*
+ * 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 lab10_calebfontenot;
+
+/**
+ *
+ * @author caleb
+ */
+public class EscapeSequencesAndUnicode {
+    public static void main(String[] args) {
+        
+        System.out.println("I delete the last 3 characterssss\b\b\b");
+        System.out.println("\t\tI used 2 tabs here");
+        System.out.println("I printed a \" inside quotes");
+        
+        char b = 'b';
+        char bCapital = 66;
+        char a = '\u0061'; //16 * 6 + 1 = 96 in decimal
+        char aCapital = 0x41;
+        char greekAlpha = '\u03b1'; // 3 x 256 + 11 x 16 + 1 = ? in decimal
+                
+        System.out.println("I print in latin and in greek ---> "+ 
+                + b + " "
+                + bCapital + " "
+                + aCapital + " "
+                + a + " "
+                + greekAlpha );
+    }
+}

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/IndependanceUSA.java

@@ -12,29 +12,31 @@ import java.util.Scanner;
  */
 public class IndependanceUSA {
 
-    public static void main(String[] args)
-    {
+    public static void main(String[] args) {
         // Setup vars
         String month, day, year;
 
         // Create scanner
         Scanner input = new Scanner(System.in);
         boolean conditionStillTrue = true;
-        // Prompt fo rinput
+        // Prompt for input
         System.out.println("Please enter the date of Independence. (Month, day, year): ");
         month = input.next();
         day = input.next();
         year = input.next();
 
-        if (month.compareToIgnoreCase("july") == 1) {
-            
-        }
-        if (day.compareToIgnoreCase("4th" ) == 1) {
-                if (year == 1776) {
+        if (month.compareToIgnoreCase("july") == 0) {
+            if (day.compareToIgnoreCase("4th") == 0 || (day == "4")) {
+                if (year.compareToIgnoreCase("1776") == 0) {
                     System.out.println("Hurrah!");
-        else {
-            System.out.println("No no no! Incorrect!");
+                } else {
+                    System.out.println("No, no, no! Incorrect!");
+                }
+            } else {
+                System.out.println("No, no, no! Incorrect!");
+            }
+        } else {
+            System.out.println("No, no, no! Incorrect!");
+        }
     }
-
-}
 }

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/PasswordMaker1.java

@@ -0,0 +1,25 @@
+/*
+ * 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 lab10_calebfontenot;
+
+/**
+ *
+ * @author caleb
+ */
+public class PasswordMaker1 {
+    public static void main(String[] args) {
+        String firstName = "Caleb";
+        String middleName = "Christopher";
+        String lastName = "Fontenot";
+        int age = 20;
+            //> extract initials
+        String initials = firstName.substring(0,1) + 
+                          middleName.substring(0,1) + 
+                          lastName.substring(0,1);
+            //> append age after changing the initials to lower case
+        String password = initials.toLowerCase() + age;
+        System.out.println("Your Password = " + password);
+    }
+}

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/PasswordMaker2.java

@@ -0,0 +1,47 @@
+/*
+ * 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 lab10_calebfontenot;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author caleb
+ */
+public class PasswordMaker2 {
+    public static void main(String[] args) {
+       // Create Scanner
+       Scanner input = new Scanner(System.in);
+
+        String firstName; int lenFirstName;
+        //String middleName; int lenMiddleName;
+        String lastName; int lenLastName;
+        String birthYear, birthYearTruncated;
+        
+        // Prompt for input
+        System.out.println("Enter first name, last name, and your year of birth and I will generate a password for you:");
+        firstName = input.next();
+        //middleName = input.next();
+        lastName = input.next();
+        birthYear = input.next();
+        
+        // Count number of chars in inputs
+        lenFirstName = firstName.length();
+        //lenMiddleName = middleName.length();
+        lenLastName = lastName.length();
+        
+        // Extract last two places from age
+        birthYearTruncated = birthYear.substring(2,4);
+        
+            //> extract chars
+        String passwordChars = firstName.substring((lenFirstName - 2),lenFirstName) +
+                               lastName.substring((lenLastName - 2), lenLastName);
+            //> append age after changing the initials to lower case
+        String password = passwordChars.toLowerCase() + birthYearTruncated;
+        System.out.println("Your Password = " + password);
+    //middleName.substring((lenMiddleName - 2), lenMiddleName) + 
+    
+    }
+}

Assignments/Lab10_CalebFontenot/src/lab10_calebfontenot/Rounding1.java

@@ -0,0 +1,32 @@
+/*
+ * 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 lab10_calebfontenot;
+
+/**
+ *
+ * @author caleb
+ */
+public class Rounding1 {
+    public static void main(String[] args) {
+        System.out.println("Math.ceil(2.1) returns " + Math.ceil(2.1));
+        System.out.println("Math.ceil(2.0) returns " + Math.ceil(2.0));
+        System.out.println("Math.ceil(-2.0) returns " + Math.ceil(-2.0));
+        System.out.println("Math.ceil(-2.1) returns " + Math.ceil(-2.1));
+        System.out.println("Math.floor(2.1) returns " + Math.floor(2.1));
+        System.out.println("Math.floor(2.0) returns " + Math.floor(2.0));
+        System.out.println("Math.floor(-2.0) returns " + Math.floor(-2.0));
+        System.out.println("Math.floor(-3.0) returns " + Math.floor(-3.0));
+        System.out.println("Math.rint(2.1) returns " + Math.rint(2.1));
+        System.out.println("Math.rint(2.0) returns " + Math.rint(2.0));
+        System.out.println("Math.rint(-2.0) returns " + Math.rint(-2.0));
+        System.out.println("Math.rint(-2.1) returns " + Math.rint(-2.1));
+        System.out.println("Math.rint(2.5) returns " + Math.rint(2.5));
+        System.out.println("Math.rint(-2.5) returns " + Math.rint(-2.5));
+        System.out.println("Math.round(-2.6f) returns " + Math.round(-2.6f));
+        System.out.println("Math.round(2.0) returns " + Math.round(2.0));
+        System.out.println("Math.round(-2.0) returns " + Math.round(-2.0));
+        System.out.println("Math.round(-2.6) returns " + Math.round(-2.6));
+    }
+}