The Java for macOS 2012-006 update from Apple uninstalls the Apple-provided Java applet plug-in from all web browsers. You can download the latest version of Java from Java SE Downloads, which has improved security, reliability, and compatibility. Making sure the Java software is installed on your Mac before trying to use Java apps is imperative if you want everything to run smoothly. All in all, the Java technology is quite user friendly. Mac users installing or updating to the latest version Java are finding their shinies infected with the 'much loved' Ask Toolbar. This thing returns poor, ad-infested results, and silently changes.
The following are the system requirements for installing the JDK and the JRE on macOS:
- Looking for Oracle OpenJDK builds? Oracle Customers and ISVs targeting Oracle LTS releases: Oracle JDK is Oracle's supported Java SE version for customers and for developing, testing, prototyping or demonstrating your Java applications. End users and developers looking for free JDK versions: Oracle OpenJDK offers the same features and performance as Oracle JDK under the GPL license.
- If you are interested the game Minecraft, then you need to run Java, we have exactly the right version and you can download it for free.
Any Intel-based computer running macOS.
Administrator privileges.
You cannot install Java for a single user. Installing the JDK and JRE on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK and JRE on macOS.
When you install the JDK, it also installs the JRE. However, the system will not replace the current JRE with a lower version.
To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS.
When you install the JRE, you can install only one JRE on your system at a time. The system will not install a JRE that has an earlier version than the current version.
To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS. Free git clients for mac.
Note:
Installing a JRE from Oracle will not update
java -version
symlinks or addjava
to your path. To do this, you must install the JDK.
![Java update for mac el capitan Java update for mac el capitan](https://devblogs.microsoft.com/java/wp-content/uploads/sites/51/2019/02/pom-dependency-completion1.gif)
- All Implemented Interfaces:
Cloneable
A MAC provides a way to check the integrity of information transmitted over or stored in an unreliable medium, based on a secret key. Typically, message authentication codes are used between two parties that share a secret key in order to validate information transmitted between these parties.
A MAC mechanism that is based on cryptographic hash functions is referred to as HMAC. HMAC can be used with any cryptographic hash function, e.g., SHA256 or SHA384, in combination with a secret shared key. HMAC is specified in RFC 2104.
Every implementation of the Java platform is required to support the following standard Mac
algorithms:
Download 7-zip voor mac. Zip and unzip files instantly.
HmacSHA1
HmacSHA256
- Since:
- 1.4
Constructor Summary
Constructors Modifier Constructor Description protected
Mac(MacSpi macSpi,Provider provider,String algorithm)
Method Summary
Modifier and Type Method Description Object
clone()
Returns a clone if the provider implementation is cloneable.byte[]
doFinal()
byte[]
doFinal(byte[] input)
Processes the given array of bytes and finishes the MAC operation.void
doFinal(byte[] output,int outOffset)
String
getAlgorithm()
Returns the algorithm name of thisMac
object.static Mac
getInstance(String algorithm)
Returns aMac
object that implements the specified MAC algorithm.static Mac
getInstance(String algorithm,String provider)
Returns aMac
object that implements the specified MAC algorithm.static Mac
getInstance(String algorithm,Provider provider)
Returns aMac
object that implements the specified MAC algorithm.int
getMacLength()
Provider
getProvider()
Returns the provider of thisMac
object.void
init(Key key)
void
init(Key key,AlgorithmParameterSpec params)
Initializes thisMac
object with the given key and algorithm parameters.void
reset()
void
update(byte input)
Processes the given byte.void
update(byte[] input)
void
update(byte[] input,int offset,int len)
Processes the firstlen
bytes ininput
, starting atoffset
inclusive.void
update(ByteBuffer input)
Processesinput.remaining()
bytes in the ByteBufferinput
, starting atinput.position()
.Methods declared in class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Latest Java Version For Mac
Constructor Details
Mac
protectedMac(MacSpi macSpi,Provider provider,String algorithm)- Parameters:
macSpi
- the delegateprovider
- the provideralgorithm
- the algorithm
Method Details
getAlgorithm
public finalStringgetAlgorithm()Returns the algorithm name of thisMac
object.This is the same name that was specified in one of the
getInstance
calls that created thisMac
object.- Returns:
- the algorithm name of this
Mac
object.
getInstance
public static finalMacgetInstance(String algorithm) throws NoSuchAlgorithmExceptionReturns aMac
object that implements the specified MAC algorithm.This method traverses the list of registered security Providers, starting with the most preferred Provider. A new Mac object encapsulating the MacSpi implementation from the first Provider that supports the specified algorithm is returned.
Note that the list of registered providers may be retrieved via the
Security.getProviders()
method.- Implementation Note:
- The JDK Reference Implementation additionally uses the
jdk.security.provider.preferred
Security
property to determine the preferred provider order for the specified algorithm. This may be different than the order of providers returned bySecurity.getProviders()
. - Parameters:
algorithm
- the standard name of the requested MAC algorithm. See the Mac section in the Java Security Standard Algorithm Names Specification for information about standard algorithm names.- Returns:
- the new
Mac
object - Throws:
NoSuchAlgorithmException
- if noProvider
supports aMacSpi
implementation for the specified algorithmNullPointerException
- ifalgorithm
isnull
- See Also:
Provider
getInstance
public static finalMacgetInstance(String algorithm,String provider) throws NoSuchAlgorithmException,NoSuchProviderExceptionReturns aMac
object that implements the specified MAC algorithm.A new Mac object encapsulating the MacSpi implementation from the specified provider is returned. The specified provider must be registered in the security provider list.
Note that the list of registered providers may be retrieved via the
Security.getProviders()
method.- Parameters:
algorithm
- the standard name of the requested MAC algorithm. See the Mac section in the Java Security Standard Algorithm Names Specification for information about standard algorithm names.provider
- the name of the provider.- Returns:
- the new
Mac
object - Throws:
IllegalArgumentException
- if theprovider
isnull
or emptyNoSuchAlgorithmException
- if aMacSpi
implementation for the specified algorithm is not available from the specified providerNoSuchProviderException
- if the specified provider is not registered in the security provider listNullPointerException
- ifalgorithm
isnull
- See Also:
Provider
getInstance
public static finalMacgetInstance(String algorithm,Provider provider) throws NoSuchAlgorithmExceptionReturns aMac
object that implements the specified MAC algorithm.A new Mac object encapsulating the MacSpi implementation from the specified Provider object is returned. Note that the specified Provider object does not have to be registered in the provider list.
- Parameters:
algorithm
- the standard name of the requested MAC algorithm. See the Mac section in the Java Security Standard Algorithm Names Specification for information about standard algorithm names.provider
- the provider.- Returns:
- the new
Mac
object - Throws:
IllegalArgumentException
- if theprovider
isnull
NoSuchAlgorithmException
- if aMacSpi
implementation for the specified algorithm is not available from the specifiedProvider
objectNullPointerException
- ifalgorithm
isnull
- See Also:
Provider
getProvider
Returns the provider of thisMac
object.- Returns:
- the provider of this
Mac
object.
getMacLength
Returns the length of the MAC in bytes.- Returns:
- the MAC length in bytes.
init
public finalvoidinit(Key key) throws InvalidKeyException- Parameters:
key
- the key.- Throws:
InvalidKeyException
- if the given key is inappropriate for initializing this MAC.
init
public finalvoidinit(Key key,AlgorithmParameterSpec params) throws InvalidKeyException,InvalidAlgorithmParameterExceptionInitializes thisMac
object with the given key and algorithm parameters.- Parameters:
key
- the key.params
- the algorithm parameters.- Throws:
InvalidKeyException
- if the given key is inappropriate for initializing this MAC.InvalidAlgorithmParameterException
- if the given algorithm parameters are inappropriate for this MAC.
update
public finalvoidupdate(byte input) throws IllegalStateException- Parameters:
input
- the input byte to be processed.- Throws:
IllegalStateException
- if thisMac
has not been initialized.
update
public finalvoidupdate(byte[] input) throws IllegalStateException- Parameters:
input
- the array of bytes to be processed.- Throws:
IllegalStateException
- if thisMac
has not been initialized.
update
public finalvoidupdate(byte[] input,int offset,int len) throws IllegalStateExceptionProcesses the firstlen
bytes ininput
, starting atoffset
inclusive.- Parameters:
input
- the input buffer.offset
- the offset ininput
where the input starts.len
- the number of bytes to process.- Throws:
IllegalStateException
- if thisMac
has not been initialized.
update
Processesinput.remaining()
bytes in the ByteBufferinput
, starting atinput.position()
. Upon return, the buffer's position will be equal to its limit; its limit will not have changed.- Parameters:
input
- the ByteBuffer- Throws:
IllegalStateException
- if thisMac
has not been initialized.- Since:
- 1.5
doFinal
public finalbyte[]doFinal() throws IllegalStateExceptionFinishes the MAC operation.A call to this method resets this
Mac
object to the state it was in when previously initialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
. That is, the object is reset and available to generate another MAC from the same key, if desired, via new calls toupdate
anddoFinal
. (In order to reuse thisMac
object with a different key, it must be reinitialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
.- Returns:
- the MAC result.
- Throws:
IllegalStateException
- if thisMac
has not been initialized.
doFinal
public finalvoiddoFinal(byte[] output,int outOffset) throws ShortBufferException,IllegalStateExceptionFinishes the MAC operation.A call to this method resets this
Mac
object to the state it was in when previously initialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
. That is, the object is reset and available to generate another MAC from the same key, if desired, via new calls toupdate
anddoFinal
. (In order to reuse thisMac
object with a different key, it must be reinitialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
.The MAC result is stored in
output
, starting atoutOffset
inclusive.- Parameters:
output
- the buffer where the MAC result is storedoutOffset
- the offset inoutput
where the MAC is stored- Throws:
ShortBufferException
- if the given output buffer is too small to hold the resultIllegalStateException
- if thisMac
has not been initialized.
doFinal
public finalbyte[]doFinal(byte[] input) throws IllegalStateExceptionProcesses the given array of bytes and finishes the MAC operation.A call to this method resets this
Mac
object to the state it was in when previously initialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
. That is, the object is reset and available to generate another MAC from the same key, if desired, via new calls toupdate
anddoFinal
. (In order to reuse thisMac
object with a different key, it must be reinitialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
.- Parameters:
input
- data in bytes- Returns:
- the MAC result.
- Throws:
IllegalStateException
- if thisMac
has not been initialized.
reset
Resets thisMac
object.A call to this method resets this
Mac
object to the state it was in when previously initialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
. That is, the object is reset and available to generate another MAC from the same key, if desired, via new calls toupdate
anddoFinal
. (In order to reuse thisMac
object with a different key, it must be reinitialized via a call toinit(Key)
orinit(Key, AlgorithmParameterSpec)
.clone
public finalObjectclone() throws CloneNotSupportedExceptionReturns a clone if the provider implementation is cloneable.- Overrides:
clone
in classObject
- Returns:
- a clone if the provider implementation is cloneable.
- Throws:
CloneNotSupportedException
- if this is called on a delegate that does not supportCloneable
.- See Also:
Cloneable
![](https://cdn-ak.f.st-hatena.com/images/fotolife/r/ruriatunifoefec/20200910/20200910011333.png)