type « iterator « Java Collection Q&A

1. Java iterator over an empty collection of a parameterized type    stackoverflow.com

In Java, I need to return an Iterator from my method. My data comes from another object which usually can give me an iterator so I can just return that, ...

2. Why is this invalid Java? Type of ternary operator output    stackoverflow.com

Check out this code.

// Print object and recurse if iterable
private static void deep_print(Object o) {
  System.out.println(o.getClass().toString() + ", " + o.toString());

  boolean iter = false;
  Iterable<?> i1 = ...

3. JAVA: Type mismatch: cannot convert from Collection> to Iterator    stackoverflow.com

I have a Problem here using Java in Red5 0.9 Server here's the code

package com.hwakin.i5lc.manager;

import java.util.Iterator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.red5.server.adapter.ApplicationAdapter;
import org.red5.server.api.IClient;
import org.red5.server.api.IConnection;
import org.red5.server.api.IScope;
import org.red5.server.api.Red5;
import org.red5.server.api.service.IServiceCapableConnection;

import com.hwakin.i5l.vo.ExternalPoint;
import com.hwakin.i5l.vo.UserInfo;
import com.hwakin.i5lc.vo.ExternalDrawInfo;

public class I5lcDrawManager extends ApplicationAdapter ...

4. Can we use for-each loop for iterating the objects of Iterator type?    stackoverflow.com

If we do the following we get error:

class FGH{
public static Iterator reverse(List list) {
     Collections.reverse(list);
     return  list.iterator();
     }
 ...

5. Java - Iterator: "Syntax error, parameterized types are only available if source level is 5.0"    stackoverflow.com

I'm purposely targeting Java OS 1.4.2 I'm trying to use an iterator combined with apache's POI to read an excel spreadsheet. The code runs perfectly in java 1.5, but in the 1.4.2 version ...

6. Using an iterator for a set of type Object?    stackoverflow.com

Okay, so I'm supposed to implement a set that contains elements of type Object with no duplicates which means that I need to compare each new element with the previous elements ...

7. Return Iterator of interface type    coderanch.com

In my "application" I only use interface types from the domian in my GUI layer. So I have in the domain layer: public class Table implements ITable { List

8. Iterator through a selected type    forums.oracle.com

private LinkedList