Counter

java.lang.Object
- edu.jas.util.Counter

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Counter>
```
class Counter
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<Counter>
```
Class for holding the list index used as key in TreeMap. Implemented since Integer has no add() method. Must implement Comparable so that TreeMap works with correct ordering.

Field Summary

Fields
Modifier and Type Field Description

private int value

Constructor Summary

Constructors
Constructor Description

Counter()
Counter.

Counter(int v)
Counter.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(int v)`	add.
`int`	`compareTo(Counter c)`	compareTo.
`boolean`	`equals(java.lang.Object ob)`	equals.
`int`	`hashCode()`	Hash code for this Counter.
`int`	`intValue()`	intValue.
`java.lang.String`	`toString()`	toString.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - value
```
private int value
```
- Constructor Detail
  - Counter
```
public Counter()
```
    Counter.
  - Counter
```
public Counter(int v)
```
    Counter.
    
    Parameters:
    
    v -
- Method Detail
  - intValue
```
public int intValue()
```
    intValue.
    
    Returns:
    
    the value.
  - add
```
public void add(int v)
```
    add.
    
    Parameters:
    
    v -
  - equals
```
public boolean equals(java.lang.Object ob)
```
    equals.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    ob - an Object.
    
    Returns:
    
    true if this is equal to o, else false.
  - compareTo
```
public int compareTo(Counter c)
```
    compareTo.
    
    Specified by:
    
    compareTo in interface java.lang.Comparable<Counter>
    
    Parameters:
    
    c - a Counter.
    
    Returns:
    
    1 if (this < c), 0 if (this == c), -1 if (this > c).
  - hashCode
```
public int hashCode()
```
    Hash code for this Counter.
    
    Overrides:
    
    hashCode in class java.lang.Object
    
    See Also:
    
    Object.hashCode()
  - toString
```
public java.lang.String toString()
```
    toString.
    
    Overrides:
    
    toString in class java.lang.Object