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ArrayListString.java
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59 lines (43 loc) · 1.38 KB
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import java.util.ArrayList;
public class ArrayListString {
public static void main(String[] args) {
// declaring and instantiate a String List
ArrayList<String> listaString = new ArrayList<String>();
// adding info at list
listaString.add("Elemento 1");
listaString.add("Elemento 2");
listaString.add("Elemento 3");
// show list
System.out.println(listaString.get(0));
System.out.println(listaString.get(1));
System.out.println(listaString.get(2));
// add an element in specific position
listaString.add(1, "Elemento 1.5");
// show list itens
for (String obj : listaString) {
System.out.println(obj);
}
// get list size
System.out.println("O tamanho da lista é:" + listaString.size());
// find an list value
if (listaString.contains("Elemento 1")) {
System.out.println("Elemento encontrado");
} else {
System.out.println("Elemento não encontrado ");
}
// print index from element
int indice = listaString.indexOf("Elemento 1");
System.out.println("Indice: " + indice);
// adding a new element
listaString.add("Elemento 4");
// get list size
System.out.println("O tamanho da lista é:" + listaString.size());
// remove an list element
listaString.remove("Elemento 1.5");
for (String obj : listaString) {
System.out.println(obj);
}
// get list size
System.out.println("O tamanho da lista é:" + listaString.size());
}
}