mainCoding.txt

package fr.youness.MSAProject;

import java.util.ArrayList;

//@SpringBootApplication
//@EnableAutoConfiguration
public class MsaProjectApplication {

	public static void main(String[] args) {
		//SpringApplication.run(MsaProjectApplication.class, args);
		System.out.println("I am ready :)");
		System.out.println( isFoo("de"));
		System.out.println("#################");
		int i1 = 5;
		int i2 = 2;
		float i3 = i1 / i2;
		System.out.println(i3);
		System.out.println("#################");
		System.out.println(somme1(1,2));
		System.out.println(somme1(-3,2));
		System.out.println(somme1(10,-9));
		System.out.println("#################");
		System.out.println(Planet.MERCURY == Planet.MERCURY);
		System.out.println(Planet.VENUS.equals(Planet.VENUS));
		System.out.println(Planet.EARTH.equals("EARTH"));
		System.out.println("#################");
		ArrayList l = new ArrayList(2);
		l.add(1);
		l.add(1);
		l.add(1);
		l.add(1);
		System.out.println(l.size());
		System.out.println("#################");
		int[] ints = {30, 4, 9, 12, 98, -10, 10};
		System.out.println(sumRange(ints));
		System.out.println("#################");
		int[] ints2 = {30, -1, 9, 12, 98, -10, 1};
		System.out.println(closestToZero(ints2));
		System.out.println("#################");
		System.out.println(numberOfPairs(4));
		System.out.println("#################");
		int a = 0;
		System.out.println(a++);
		System.out.println(++a);
		System.out.println("#################");
		String[] tabStr = {"Y", "o", "u"};
		System.out.println(concat(tabStr));
	}

	public static boolean isFoo(String chaine) {
		if(chaine == null) {
			return false;
		} else if(chaine.equals("foo")) {
			return true;
		}
		return false;
	}

	public static boolean somme1(int i, int j) {
		if(i == 1 || j == 1) {
			return true;
		} else if( (i + j) == 1 ){
			return true;
		}
		return false;
	}

	public static int sumRange(int[] ints) {
		int total = 0;
		for (int i=0; i < ints.length; i++) {
			if(ints[i] >= 10 && ints[i] <= 100) {
				total += ints[i];
			}
		}
		return total;
	}

	public static int closestToZero(int[] ints) {
		if(ints.length > 0) {
			int indiceProcheZero = 0;
			int procheZero = ints [0];
			for (int i = 1; i < ints.length; i++) {
				if(Math.abs(procheZero) > Math.abs(ints[i])) {
					procheZero = Math.abs(ints[i]);
					indiceProcheZero = i;
				}
			}
			return ints[indiceProcheZero];
		} else {
			return 0;
		}
	}

	public static int numberOfPairs(int nb) {
		int nbPairs = 0;
		for(int i=2; i <= nb; i++ ) {
			for(int j=i; j <= nb; j++) {
				nbPairs++;
			}
		}
		return nbPairs;
	}

	public static String concat(String[] tabStr) {
		String chaine = "";
		if(tabStr.length == 0) {
			return "";
		} else {
			for (int i = 0; i < tabStr.length; i++) {
				chaine += String.join(chaine, tabStr[i]);
			}
			return chaine;
		}
	}
}

enum Planet {
	MERCURY, VENUS, EARTH
}