ex_for_while

.java

import java.time.LocalDateTime;
import java.util.Scanner;

/**
 *  int/Integer i = 2000 + 2556 = 45.56;
 *  short/Short sh = 20;
 *  long/Long l = 20;
 *  boolean/Boolean = true/false;
 *  String = "texto"
 *  char/Char = 'c'
 *  byte/Byte = 127
 *  float/Float = 25.4f
 *  double/Double = 35.5
 *  BigDecimal = new BigDecimal(20.00)
 *  Date = new Date()
 *  Calendar = Calendar.getInstance();
 *  LocalDate
 *  LocalDateTime
 *  ZonedDateTime / -0300
 *
 * @author Gabriel Francisco - [email protected]
 */
class Being {
    public void walk(){}
    public void eat(){}
}

class Person extends Being {
    public void speak(){}
}

class Pet extends Being {
    public void bePet(){}
}

class Dog extends Pet {
    public void bark(){}
}

class Cat extends Pet {
    public void meow(){}
}


public class helloworld {


    public static void main(String[] args) {
        Person p = new Person();

        p.eat();


        Scanner scanner = new Scanner(System.in);

        int tamanho = 5;

        int[] v = new int[tamanho];

        for (int i = 0; i < tamanho; i = i + 1) {
            int valor = scanner.nextInt();
            v[i] = valor;
        }

        int ppk = 0;

        for (int i = 0; i < tamanho; i = i + 1){
          ppk = ppk + v[i];
        }

        System.out.println(ppk);
    }


}


import java.util.Scanner;

public class fib {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);

        for (int i = 0; i <= 50; i++) {
            System.out.print(fib(i) + " ");
        }

    }

    public static int fib(int n) {
        if (n == 0) {
            return 0;
        }

        if (n == 1 || n == 2) {
            return 1;
        }

        return fib(n - 1) + fib(n - 2);
    }
}