Update CONTRIBUTORS.md

CONTRIBUTORS.md

@@ -2125,3 +2125,9 @@ Place: India<br/>
 About: Computer science student<br/>
 Programming languages: c , cpp, python , ruby , js <br/>
 Email: [email protected]
+
+Name: Gabriel Santos Alves. (https://github.com/kpzinnm)
+Place: Campina Grande, Brazil.
+About: Computer science student in UFCG(Federal University of Paraíba)
+Programming Language: C, Java and Python.
+Email: [email protected]

conceptsPOO/src/heranca/exercicio1/caminhao.java

@@ -0,0 +1,4 @@
+package heranca.exercicio1;
+
+public class caminhao extends veiculo{
+}

conceptsPOO/src/heranca/exercicio1/carro.java

@@ -0,0 +1,14 @@
+package heranca.exercicio1;
+
+public class carro extends  veiculo implements interfaceA{
+
+    @Override
+    public void teste1() {
+    }
+
+    @Override
+    public void teste2(int num) {
+
+    }
+}
+

conceptsPOO/src/heranca/exercicio1/interfaceA.java

@@ -0,0 +1,8 @@
+package heranca.exercicio1;
+
+public interface interfaceA {
+
+    void teste1();
+
+    void teste2(int num);
+}

conceptsPOO/src/heranca/exercicio1/moto.java

@@ -0,0 +1,4 @@
+package heranca.exercicio1;
+
+public class moto extends veiculo{
+}

conceptsPOO/src/heranca/exercicio1/veiculo.java

@@ -0,0 +1,22 @@
+package heranca.exercicio1;
+
+public class veiculo {
+    String placa;
+    String combustivel;
+    String fabricante;
+    int cavalos;
+    int rodas;
+    int marchas;
+
+    public void andar(){
+        System.out.println("O carro andou para frente");
+    }
+
+    public void freiar(){
+        System.out.print("O carro freiou");
+    }
+
+    public void alarme(){
+        System.out.print("O carro esta alarmando");
+    }
+}

conceptsPOO/src/heranca/polimorfismo/ClasseFilha1.java

@@ -0,0 +1,9 @@
+package heranca.polimorfismo;
+
+public class ClasseFilha1 extends ClasseMae {
+
+    @Override
+    void metodo1() {
+        System.out.println("Metodo 1 da Classe Filha 1");
+    }
+}

conceptsPOO/src/heranca/polimorfismo/ClasseFilha2.java

@@ -0,0 +1,14 @@
+package heranca.polimorfismo;
+
+public class ClasseFilha2 extends ClasseMae {
+
+    @Override
+    void metodo1() {
+        System.out.println("Metodo 1 Classe Filha 2");
+    }
+
+    @Override
+    void metodo2() {
+        System.out.println("Metodo 2 Classe Filha 2");
+    }
+}

conceptsPOO/src/heranca/polimorfismo/ClasseMae.java

@@ -0,0 +1,12 @@
+package heranca.polimorfismo;
+
+public class ClasseMae {
+    void metodo1() {
+        System.out.println("Metodo 1 Classe Mãe");
+    }
+
+    void metodo2() {
+        System.out.println("Metodo 2 Classe Mãe");
+    }
+
+}

conceptsPOO/src/heranca/polimorfismo/Main.java

@@ -0,0 +1,24 @@
+package heranca.polimorfismo;
+
+public class Main {
+
+    public static void main(String[] args){
+
+        ClasseMae[] classes = new ClasseMae[]{new ClasseFilha1(), new ClasseFilha2(), new ClasseMae()};
+
+        for (ClasseMae classe: classes){
+            classe.metodo1();
+        }
+
+        System.out.println(" ");
+
+        for (ClasseMae classe: classes){
+            classe.metodo2();
+        }
+
+        System.out.println(" ");
+
+        ClasseFilha2 classeFilha2 = new ClasseFilha2();
+        classeFilha2.metodo2();
+    }
+}

conceptsPOO/src/heranca/uperDownCase/Faxineiro.java

@@ -0,0 +1,8 @@
+package heranca.uperDownCase;
+
+/**
+ * Classe filha de Funcionarios
+ * Exercicio Herenças -> POO
+ * */
+public class Faxineiro extends Funcionarios {
+}

conceptsPOO/src/heranca/uperDownCase/Funcionarios.java

@@ -0,0 +1,8 @@
+package heranca.uperDownCase;
+
+/**
+ * Classe filha de Funcionarios
+ * Exercicio Herenças -> POO
+ * */
+public class Funcionarios {
+}

conceptsPOO/src/heranca/uperDownCase/Gerente.java

@@ -0,0 +1,8 @@
+package heranca.uperDownCase;
+
+/**
+ * Classe filha de Funcionarios
+ * Exercicio Herenças -> POO
+ * */
+public class Gerente extends Funcionarios {
+}

conceptsPOO/src/heranca/uperDownCase/Main.java

@@ -0,0 +1,19 @@
+package heranca.uperDownCase;
+
+/**
+ * Classe principal do exercício  4 do modulo de POO
+ * */
+public class Main {
+
+    public static void main(String[] args){
+
+        Funcionarios funcionarios = new Funcionarios();
+
+        Funcionarios gerente = new Gerente();
+        Funcionarios faxineiro = new Faxineiro();
+        Funcionarios vendedor = new Vendedor();
+
+        // O Downcast abaixo foi feito apenas para fins do exercício
+        //Vendedor vendedor_ = (Vendedor) new Funcionarios();
+    }
+}

conceptsPOO/src/heranca/uperDownCase/Vendedor.java

@@ -0,0 +1,9 @@
+package heranca.uperDownCase;
+
+/**
+ * Classe filha de Funcionarios
+ * Exercicio Herenças -> POO
+ * */
+public class Vendedor extends Funcionarios {
+
+}

questionsC/ex1.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int main()
+{
+	int distance = 100;
+
+	printf("You are %d milles away.\n",distance);
+
+	return 0;
+}

questionsC/ex2.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main()
+{
+	int age = 10;
+	int height = 72;
+	char name[8] = "Gabriel";
+
+	printf("I am %d years old.\n", age);
+	printf("I am %d inches tall.\n", height);
+	printf("My name is %s.\n", name);
+
+	return 0;
+}

questionsC/ex3.c

@@ -0,0 +1,87 @@
+/* Gabriel Alves
+ * Exercise lexical analysis
+ * */
+
+#include <stdio.h>
+
+void testIf(int num1,int num2) {
+	if (num1 < num2) {
+		printf("Test if true\n");
+	}
+	else if (num1 > num2) {
+		printf("Test if false");
+	}
+	else {
+		printf("Test else true\n");
+	}
+return;
+}
+
+void testSwitch(int num1){
+	switch(num1){
+		case 1:
+			printf("Number verification 1, test switch\n");
+			break;
+		case 2:
+			printf("Number verification 2\n");
+			break;
+	}
+	return;
+}
+
+void testLoops(int num1, int num2){
+	while(num1 < num2){
+		num1++;
+		printf("While - Number: %d\n",num1);
+
+		if (num1 * 3 == num2){
+    	break;
+    }
+		if (num1 > 3 && num1 < 6){
+			printf("Number greater than 3 and less than 6\t");
+
+			continue;
+		}
+	}
+
+	printf("-----------\n");
+	for(int i = 0; i<num1; i++){
+		printf("For - number: %d\n", i);
+	}
+
+	printf("-----------\n");
+	do {
+		printf("Do While - number: %d\n", num1);
+		num1++;
+	} while(num1 <= num2 * 2);
+
+}
+
+void funcDiv(void){
+	printf("-=-=-=-=-=-=-=-=-");
+	printf("-------DIV-------");
+	printf("-=-=-=-=-=-=-=-=-");
+}
+
+int main(int argc, char* argv[])
+{
+	int num_simbolic1 = 1, var_verif = 0;
+	float num_simbolic2 = 8;
+
+	while(1){
+		printf("\nWhich test will you take? 1- IF, 2- Switch, 3- Loops or 0- Exit ");
+		scanf("%d", & var_verif);
+		if (var_verif == 1){
+			testIf(num_simbolic1, num_simbolic2);
+			funcDiv();
+		} if (var_verif == 2){
+			testSwitch(num_simbolic1);
+			funcDiv();
+		} if (var_verif == 3){
+			testLoops(num_simbolic1, num_simbolic2);
+			funcDiv();
+		}	if (var_verif == 0){
+			break;
+		}
+	}
+}

questionsC/ex4.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+
+int main(int argc, char* argv[])
+{
+	int distance = 100;
+	float power = 3.345f;
+	double super_power = 56789.4532;
+	char initial = 'S';
+	char first_name[] = "Gabriel";
+	char last_name[] = "Alves";
+
+	printf("You are %d miles away.\n", distance);
+	printf("You have %f levels of power.\n", power);
+	printf("You have %f awesome super power.\n", super_power);
+	printf("I have an initial %c.\n", initial);
+	printf("I have a first name %s.\n", first_name);
+	printf("I have a last name %s.\n", last_name);
+	printf("My whole name is %s %c. %s.\n", first_name, initial, last_name);
+
+	int bugs = 10;
+	double bug_rate = 1.2;
+
+	printf("You have %d bugs at the %f.\n", bugs, bug_rate);
+
+	long universe_of_defects = 109999900L * 1024L * 1024L * 1024L;
+	printf("The entire universe has %ld bugs.\n", universe_of_defects);
+
+	double expected_bugs = bugs * bug_rate;
+	printf("you are expected to have %f bugs.\n", expected_bugs);
+
+	double part_of_universe = expected_bugs * universe_of_defects;
+	printf("that is only a %e portoin of the universe.\n", part_of_universe);
+
+	// This makes no sense, just a demo of something weird
+	char nul_byte = '\0';
+	int care_percentage = bugs * nul_byte;
+	printf("Which means you should care %d%%.\n", care_percentage);
+
+	return 0;
+}