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section5/NameParser.java

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+import java.util.Scanner;
+
+public class NameParser {
+    public static void main(String[] args) {
+        Scanner keyboard = new Scanner(System.in);
+
+        String fullName;
+        String firstName;
+        String lastName;
+
+        System.out.println("What is your full name?");
+        fullName = keyboard.nextLine();
+
+        int indexOfSpace = fullName.indexOf(" ");
+
+        firstName = fullName.substring(0, indexOfSpace);
+        lastName = fullName.substring(indexOfSpace + 1);
+
+        firstName = firstName.toUpperCase();
+        lastName = lastName.toLowerCase();
+
+        System.out.println("First name is " + firstName);
+        System.out.println("Last name is " + lastName);
+    }//end main
+}

section5/Proj5_1_NamePermutations.java

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+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Proj5_1_NamePermutations {
+    public static void main(String[] args) {
+        ArrayList<String> firstNames = new ArrayList<>();
+        ArrayList<String> lastNames  = new ArrayList<>();
+
+        Scanner keyboard = new Scanner(System.in);
+        String fullName;
+        String firstName;
+        String lastName;
+        int indexOfSpace;
+
+        final int NUM_NAMES = 5;
+
+        for(int i = 0; i < NUM_NAMES; i++) {
+            System.out.print("Please enter name " + i + "\t");
+            fullName = keyboard.nextLine();
+            indexOfSpace = fullName.indexOf(" ");
+            firstName = fullName.substring(0, indexOfSpace);
+            lastName = fullName.substring(indexOfSpace + 1);
+
+            firstNames.add(firstName);
+            lastNames.add(lastName);
+        }//end for
+
+        //now for the permutations
+
+        for(int i = 0; i < firstNames.size(); i++) {
+            for(int j = 0; j < lastNames.size(); j++) {
+                System.out.print(firstNames.get(i) + " ");
+                System.out.println(lastNames.get(j));
+            }//end for j
+        }//end for i
+    }//end main
+}

section5/StringBuilderFun.java

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+
+
+public class StringBuilderFun {
+    public static void main(String[] args) {
+        StringBuilder sb = new StringBuilder("John Baugh");
+
+        sb.append(" is awesome");
+        System.out.println(sb);
+
+        sb.insert(5, "Phillip ");
+        System.out.println(sb);
+
+        sb.replace(22, 29, "amazing");
+        System.out.println(sb);
+
+        sb.delete(5, 13);
+        System.out.println(sb);
+
+        sb.replace(0,4, "Dr.");
+
+        System.out.println(sb);
+
+    }//end main
+}

section5/StringMethods1.java

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+
+
+public class StringMethods1 {
+    public static void main(String[] args) {
+        String name = "John Baugh";
+        String name2 = "John Baugh";
+        String name3 = "Rob Percival";
+        String challengeName = "Ed Mortram";
+
+        for(int i = 0; i < name.length(); i++) {
+            System.out.print(name.charAt(i) + " ");
+        }//end for
+
+        System.out.println();
+
+        if(name.equals(name2)) {
+            System.out.println("Names are equal.");
+        }
+        else {
+            System.out.println("Names aren't equal.");
+        }
+
+        if(name.compareTo(name3) > 0) {
+            System.out.println("name > name3");
+        }
+        else {
+            System.out.println("name <= name3");
+        }
+
+        System.out.println("Comparing for the lecture challenge");
+        if (challengeName.compareTo(name) > 0) {
+            System.out.println(challengeName + " is greater than " + name);
+        }
+        else {
+            System.out.println(challengeName + " is less than or equal to " + name);
+        }
+    }//end main
+}

section5/StringMethods2.java

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+
+public class StringMethods2 {
+    public static void main(String[] args) {
+        String myName = "John Baugh";
+
+        String upper = myName.toUpperCase();
+        String lower = myName.toLowerCase();
+
+        int whereIsB = myName.indexOf("B");
+
+        String lastName = myName.substring(5);
+
+        System.out.println("upper is " + upper);
+        System.out.println("lower is " + lower);
+        System.out.println("B is at index " + whereIsB);
+        System.out.println("Last name is " + lastName);
+    }//end main
+}