From ae55ab6079e8946081d644fecd7eb170e6e29ec5 Mon Sep 17 00:00:00 2001 From: Hammy Date: Fri, 12 Feb 2021 18:55:36 +0000 Subject: [PATCH] Remove file --- Personal/src/Main.java | 201 ----------------------------------------- 1 file changed, 201 deletions(-) delete mode 100644 Personal/src/Main.java diff --git a/Personal/src/Main.java b/Personal/src/Main.java deleted file mode 100644 index 5967cf8..0000000 --- a/Personal/src/Main.java +++ /dev/null @@ -1,201 +0,0 @@ -import java.util.ArrayList; -import java.util.HashMap; - -public class Main { - public static void main(String[] args) { - int x = 18; - // method1(x); System.out.println(x); - - - for (int i = 0; i < 10; i++) { - System.out.println(i + " Hello World!"); - } - - // TODO: While Loop - // Output: Same As For Loop Shown Previously - int p = 0; - while (p < 10) { - System.out.println(p + " Hello World!"); - p++; - } - - // TODO: Do While Loop - /* Note: Condition is checked at the end - * so the loop will ALWAYS execute - * at least once, even if the condition - * is false. - * Output: Goudham - */ - int j = 0; - do { - System.out.println("Goudham"); - } while (j != 0); - -// // TODO: If Else Statement -// // Operator Used: Less Than (<) -// // Output: You Are Rich! -// double balance = 500.00; -// if (balance < 500.00) { -// System.out.println("You Are Broke"); -// } else { -// System.out.println("You Are Rich!"); -// } - - // TODO: If else if else if... Statement - // Operator(s) Used: Logical AND (&&), Logical NOT (!), - // Greater Than (>), Greater Than Or Equal To (>=), - // Less Than (<), - // Output: You Are Rich and not in Debt - double balance = 100.00; - boolean debt = false; - - if (balance < 100.00 && debt) { - System.out.println("You are Broke and in Debt"); - } else if (balance >= 100.00 && debt) { - System.out.println("You are Rich but in Debt"); - } else if (balance < 100.00 && !debt) { - System.out.println("You are Broke and not in Debt"); - } else if (balance >= 100.00 && !debt) { - System.out.println("You are Rich and not in Debt"); - } - - // TODO: Switch Case Statement - /* Note: There is no major difference between this and - if else if else if... The switch statement - improves readability and clarity. - */ - // Output: Wednesday - int day = 3; - switch (day) { - case 1: - System.out.println("Monday"); - break; - case 2: - System.out.println("Tuesday"); - break; - case 3: - System.out.println("Wednesday"); - break; - case 4: - System.out.println("Thursday"); - break; - case 5: - System.out.println("Friday"); - break; - case 6: - System.out.println("Saturday"); - break; - case 7: - System.out.println("Sunday"); - break; - default: - System.out.println("Day Not Specified"); - } - - - // TODO: Another If Statement - // Operator Used: Logical NOT (!) - // Output: You Are Broke - boolean rich = false; - if (!rich) { - System.out.println("You Are Broke"); - } - - // TODO: Common String Methods - String helloWorld = "Hello World!"; - - // TODO .toUpperCase() - // Converts the entire string into uppercase format - // Return Type: String - // Output: HELLO WORLD! - System.out.println(helloWorld.toUpperCase()); - - // TODO: .toLowerCase() - // Converts the entire string into lowercase format - // Return Type: String - // Output: hello world! - System.out.println(helloWorld.toLowerCase()); - - // TODO: .isEmpty() - // Checks to see if the string is empty or not - // Return Type: boolean - // Output: false - System.out.println(helloWorld.isEmpty()); - - // TODO .length() - // Returns the length of the string given - // Return Type: int - // Output: 12 - System.out.println(helloWorld.length()); - - // TODO .concat() - // Appends a string onto the end of another string - // Return Type: String - // Output: Hello World!World - System.out.println(helloWorld.concat("World")); - - // TODO .contains() - // Checks to see a string is present within another string - // Return Type: boolean - // Output: true - System.out.println(helloWorld.contains("Hello")); - - // TODO .equals()K - // Checks if 2 strings are equal - // Return Type: boolean - // Output: true - System.out.println(helloWorld.equals("Hello World!")); - - // TODO .trim() - // Erases whitespace from both sides of the string - // Return Type: String - // Output: Hello World! - System.out.println(helloWorld.trim()); - - // TODO: Array Declaration - // Note: Both ways are valid HOWEVER, [] is the preferred/conventional method - String[] jedi = new String[5];; - String sith[] = new String[5];; - - // TODO: Array Declaration with Literal Syntax - String[] lecturers = new String[] {"Matthew", "Derek", "Waqar"}; - String[] lecturers1 = {"Matthew", "Derek", "Waqar"}; - - // TODO: Array Common Operations - // String[] jedi = new String[] {"Goudham", "Luke", "Ahsoka"}; - - // TODO: Change Element - // Note: We need to specify the index of the value that we want to change - // Result: First Element is now "Matthew" - jedi[0] = "Matthew"; - - // TODO: Find Array Length - // Result: Returns the number of elements in an array - int lengthOfJediArray = jedi.length; - - // TODO: Loop Through Array - for (int i = 0; i < jedi.length; i++) { - String currentJedi = jedi[i]; - // ... - } - - - // TODO: Displaying Arrays - System.out.println(jedi); - - - - - - // TODO: ArrayList Declaration - ArrayList names = new ArrayList<>(); - - // TODO: HashMap Declaration - HashMap jediKnights = new HashMap<>(); - - } - - static void method1(int i) { - i = 20; - } -}