My Java compiler won't compile for statements like the following?

Question

import java.util.*;

public class IterateNoIndex {
   
   public void withoutIndex() {
     List<String> trees = Arrays.asList("Maple", "Birch", "Poplar");
     for(String tree: trees){
       System.out.println(tree);
  }
   



The for loop causes an error. I am using jdk1.4.02
I am wondering since there are several examples using similar loops. Even CoreJava has an example like this

Acromantula · Accepted Answer

looks like you're trying to use Generics with jdk 1.4.

Generics were introduced on Java5 (aka jdk1.5)... try compiling with any version since java5

Or use do it without Generics
http://java.sun.com/j2se/1.5.0/docs/guide/language/generics.html

Anonymous · Answer

The assertion would have not have been given any result, and by way of default Java does not enable it. it would attempt so whether a million grew to become into decrease than or equivalent to ((x*x)+(y*y)) and then do no longer something with the result. this would produce no code in any respect, so the Java compiler refuses it relatively than doing what you suggested (that's purely approximately never what you go with). possibly, you go with do something if that attempt is actual or fake, yet you never suggested what.

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My Java compiler won't compile for statements like the following?

2 Answers