java.lang.Object
- java.nio.file.attribute.FileTime

All Implemented Interfaces:

Comparable<FileTime>
```
public final class FileTime
extends Object
implements Comparable<FileTime>
```
Represents the value of a file's time stamp attribute. For example, it may represent the time that the file was last modified, accessed, or created.
Instances of this class are immutable.

Since:

1.7

See Also:
Files.setLastModifiedTime(java.nio.file.Path, java.nio.file.attribute.FileTime), Files.getLastModifiedTime(java.nio.file.Path, java.nio.file.LinkOption...)

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`compareTo(FileTime other)` Compares the value of two `FileTime` objects for order.
`boolean`	`equals(Object obj)` Tests this `FileTime` for equality with the given object.
`static FileTime`	`from(long value, TimeUnit unit)` Returns a `FileTime` representing a value at the given unit of granularity.
`static FileTime`	`fromMillis(long value)` Returns a `FileTime` representing the given value in milliseconds.
`int`	`hashCode()` Computes a hash code for this file time.
`long`	`to(TimeUnit unit)` Returns the value at the given unit of granularity.
`long`	`toMillis()` Returns the value in milliseconds.
`String`	`toString()` Returns the string representation of this `FileTime`.

Eerste pagina van API Java Inhoudsopgave Haut

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

- Method Detail
  - from
```
public static FileTime from(long value,
            TimeUnit unit)
```
    Returns a FileTime representing a value at the given unit of granularity.
    
    Parameters:
    value - the value since the epoch (1970-01-01T00:00:00Z); can be negative
    unit - the unit of granularity to interpret the value
    
    Returns:
    a FileTime representing the given value
  - fromMillis
```
public static FileTime fromMillis(long value)
```
    Returns a FileTime representing the given value in milliseconds.
    
    Parameters:
    value - the value, in milliseconds, since the epoch (1970-01-01T00:00:00Z); can be negative
    
    Returns:
    a FileTime representing the given value
  - to
```
public long to(TimeUnit unit)
```
    Returns the value at the given unit of granularity.
    Conversion from a coarser granularity that would numerically overflow saturate to Long.MIN_VALUE if negative or Long.MAX_VALUE if positive.
    
    Parameters:
    unit - the unit of granularity for the return value
    
    Returns:
    value in the given unit of granularity, since the epoch since the epoch (1970-01-01T00:00:00Z); can be negative
  - toMillis
```
public long toMillis()
```
    Returns the value in milliseconds.
    Conversion from a coarser granularity that would numerically overflow saturate to Long.MIN_VALUE if negative or Long.MAX_VALUE if positive.
    
    Returns:
    the value in milliseconds, since the epoch (1970-01-01T00:00:00Z)
  - equals
```
public boolean equals(Object obj)
```
    Tests this FileTime for equality with the given object.
    The result is true if and only if the argument is not null and is a FileTime that represents the same time. This method satisfies the general contract of the Object.equals method.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    obj - the object to compare with
    
    Returns:
    true if, and only if, the given object is a FileTime that represents the same time
    See Also:
    Object.hashCode(), HashMap
  - hashCode
```
public int hashCode()
```
    Computes a hash code for this file time.
    The hash code is based upon the value represented, and satisfies the general contract of the Object.hashCode() method.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    the hash-code value
    See Also:
    Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)
  - compareTo
```
public int compareTo(FileTime other)
```
    Compares the value of two FileTime objects for order.
    
    Specified by:
    
    compareTo in interface Comparable<FileTime>
    
    Parameters:
    other - the other FileTime to be compared
    
    Returns:
    0 if this FileTime is equal to other, a value less than 0 if this FileTime represents a time that is before other, and a value greater than 0 if this FileTime represents a time that is after other
  - toString
```
public String toString()
```
    Returns the string representation of this FileTime. The string is returned in the ISO 8601 format:
```
     YYYY-MM-DDThh:mm:ss[.s+]Z
 
```
    where "[.s+]" represents a dot followed by one of more digits for the decimal fraction of a second. It is only present when the decimal fraction of a second is not zero. For example, FileTime.fromMillis(1234567890000L).toString() yields "2009-02-13T23:31:30Z", and FileTime.fromMillis(1234567890123L).toString() yields "2009-02-13T23:31:30.123Z".
    A FileTime is primarily intended to represent the value of a file's time stamp. Where used to represent extreme values, where the year is less than "0001" or greater than "9999" then this method deviates from ISO 8601 in the same manner as the XML Schema language. That is, the year may be expanded to more than four digits and may be negative-signed. If more than four digits then leading zeros are not present. The year before "0001" is "-0001".
    Overrides:
    
    toString in class Object
    
    Returns:
    the string representation of this file time

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Document heeft de 11/06/2005 gemaakt, de laatste keer de 04/03/2020 gewijzigd
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Inhoudsopgave Haut

Class FileTime

Method Summary

Methods inherited from class java.lang.Object

Method Detail

from

fromMillis

to

toMillis

equals

hashCode

compareTo

toString

Referenties