hmyda EXamen java Exercice 1

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import java.util.ArrayList;
import java.util.List;
public class hmya{
    public static void main(String[] args) {
        String str= "JAVA";
        List<String> ch= new ArrayList<>();
        ch.add("j");
        ch.add("a");
        ch.add("v");
        ch.add(" ");
        ch.add("a");
        ch.add("C");
        String c= "";

        // Ligne 1
        /// str == JAVA ==> javaC
        str= str.toLowerCase()+"C";

        for (int a = 0; a< ch.size(); a++){
            c = c+ch.get(a);
        }

        System.out.println("La chaine 3 est '"+ c +"'///'"+str);
        // Ligne 2
        /// str == javaC ==> "jav"+" "+"aC"
        str= str.subSequence(0, 3)+" "+str.substring(3);

        System.out.println("equal: " + str.equals(c));
    }
}