PeekingIterator (leetcode-in-java 1.5 API)

java.lang.Object
- g0201_0300.s0284_peeking_iterator.PeekingIterator

All Implemented Interfaces:: Iterator<Integer>

public class PeekingIterator
extends Object
implements Iterator<Integer>

- Constructor Summary
  
  Constructors
  Constructor Description
  
  PeekingIterator(Iterator<Integer> iterator)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean hasNext()
  
  Integer next()
  
  Integer peek()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.Iterator
    forEachRemaining, remove

- Constructor Detail
  - PeekingIterator
```
public PeekingIterator(Iterator<Integer> iterator)
```
- Method Detail
  - peek
```
public Integer peek()
```
  - next
```
public Integer next()
```
    Specified by:
    
    next in interface Iterator<Integer>
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<Integer>