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Es7evam

Ex instanceof Lab2 POO

Mar 20th, 2018
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Java 0.53 KB | None | 0 0
  1. public class Exercicio {
  2.     public static void main (String[] args) {
  3.         Integer intObj = new Integer(123);
  4.         Long longObj = new Long(1234567890);
  5.         Double doubleObj = new Double(12.345);
  6.         Boolean boolObj = new Boolean(true);
  7.         Object[] objArray = {intObj, longObj, doubleObj, boolObj};
  8.         for(int i=0; i<objArray.length; i++) {
  9.             if(objArray[i] instanceof Number) {
  10.                 System.out.println(objArray[i].toString()+" é um Number.");
  11.             } else {
  12.                 System.out.println(objArray[i].toString()+" NÃO é um Number.");
  13.             }
  14.         }
  15.     }
  16. }
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