Finished the c course

C Project/Project_C/Debug/employees.txt

@@ -0,0 +1 @@
+Hello Oliver, It's good to finish this 4 hour video.

C Project/Project_C/main.c

@@ -18,9 +18,7 @@ struct Student{
 
 int main()
 {
-	/*
 	//Data Types
-	
 	//Numbers
 	int age = 10;
 	double gpa = 3.7;
@@ -35,6 +33,7 @@ int main()
 	//%f = Floating Points
 	//%s = Strings/Letters
 	//%c = Single Character
+	//%p = Pointer / Address
 	printf("My favourite %s is %d and %f and a single character %c\n", "number", 700, 700.5, 'i');
 
 	//F-Type Strings / Functions
@@ -139,11 +138,110 @@ int main()
 	printf("Name: %s\nMajor: %s\nAge: %d\nGPA: %f\n", oliver.name, oliver.major, oliver.age, oliver.gpa);
 	printf("\n");
 	printf("Name: %s\nMajor: %s\nAge: %d\nGPA: %f\n", james.name, james.major, james.age, james.gpa);
-	*/
 
+	//While Loops
+	int index = 1;
+	while(index <= 5){
+		printf("%d\n", index);
+		//index = index + 1;
+		index++;
+	} 
+
+	//Do-While Loops
+	int index2 = 6;
+	do {
+		printf("%d\n", index2);
+		//index2 = index2 + 1;
+		index2++;
+	} while(index2 <= 5);
+
+	//Guessing Game
+	int secretNumber = 5;
+	int guess;
+	int guessCount = 0;
+	int guessLimit = 3;
+	int outOfGuesses = 0;
+
+	while(guess != secretNumber && outOfGuesses == 0){
+		if(guessCount < guessLimit){
+			printf("Enter a number: ");
+			scanf("%d", &guess);
+			guessCount++;
+		} else{
+			outOfGuesses = 1;
+		}
+	}
+	if(outOfGuesses == 1){
+		printf("Out of guesses!");
+	}else{
+		printf("You won!");
+	}
+
+	//For Loops, Could be; -- would be going backwards, i = i + 2 would add 2 everytime.
+	int i;
+	for(i = 1; i <= 5; i++){
+		printf("%d\n", i);
+	}
+
+	int l;
+	int commands[] = {23,54,76,44,25,48,23,53,64,23,66,};
+	for(l = 0; l < 6; l++){
+		printf("%d\n", commands[l]);
+	}
+
+	//2D Arrays & Nested Loops
+	int nums[3][2] = {
+					{1,2},
+					{3,4},
+					{5,6}
+					};
+	//printf("%d\n", nums[0][1]);
+	//printf("%d\n", nums[2][1]);
+
+	int i, j;
+	for(i = 0; i < 3; i++){
+		for(j = 0; j < 2; j++){
+			printf("%d,", nums[i][j]);
+		}
+		printf("\n");
+	}
+
+	//Memory Addresses
+	int age = 30;
+	double gpa = 3.4;
+	char grade = 'A';
+
+	printf("age : %p\ngpa : %p\ngrade : %p\n", &age, &gpa, &grade);
+
+	//Pointers
+	int age = 30;
+	int * pAge = &age;
+	double gpa = 3.5;
+	double * pGpa = &gpa;
+	char grade = 'A';
+	char * pGrade = &grade;
+	printf("Age's memmory register: %p\n", &age);
+
+	//Dereferencing Pointers
+	int dage = 30;
+	int *pDage = &dage;
+
+	printf("%d", *&pDage);
 
+	//Writing to a file.
+	//FILE * fpointer = fopen("employees.txt", "w");
+	//fprintf(fpointer, "Hello Oliver, It's good to finish this 4 hour video.");
+	//fclose(fpointer);
+
+	//Writing to a file.
+	char line[255];
+	FILE * fpointer = fopen("employees.txt", "r");
+	fgets(line, 255, fpointer);
+	printf("%s", line);
+	fclose(fpointer);
 }
 
+
 //Functions
 void sayHi(){
 	printf("Hellow World!\n");
@@ -205,4 +303,4 @@ void test(){
 		printf("Invalid Grade!");
 	}
 
-}
+}