Java Module jdk.security.auth Package com.sun.security.auth Class UserPrincipal（JDK11）

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java.lang.Object
- com.sun.security.auth.UserPrincipal

All Implemented Interfaces:

Serializable, Principal
```
public final class UserPrincipal
extends Object
implements Principal, Serializable
```
A user principal identified by a username or account name.
After successful authentication, a user Principal can be associated with a particular Subject to augment that Subject with an additional identity. Authorization decisions can then be based upon the Principals that are associated with a Subject.

This class is immutable.

Since:

1.6

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`UserPrincipal(String name)`	Creates a principal.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object object)`	Compares this principal to the specified object.
`String`	`getName()`	Returns the name of this principal.
`int`	`hashCode()`	Returns a hash code for this principal.
`String`	`toString()`	Returns a string representation of this principal.

Methods declared in class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods declared in interface java.security.Principal
implies

- Constructor Detail
  - UserPrincipal
```
public UserPrincipal(String name)
```
    Creates a principal.
    
    Parameters:
    
    name - The principal's string name.
    
    Throws:
    
    NullPointerException - If the name is null.
- Method Detail
  - equals
```
public boolean equals(Object object)
```
    Compares this principal to the specified object.
    
    Specified by:
    
    equals in interface Principal
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    object - The object to compare this principal against.
    
    Returns:
    
    true if they are equal; false otherwise.
    
    See Also:
    
    Object.hashCode(), HashMap
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this principal.
    
    Specified by:
    
    hashCode in interface Principal
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    The principal's hash code.
    
    See Also:
    
    Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)
  - getName
```
public String getName()
```
    Returns the name of this principal.
    
    Specified by:
    
    getName in interface Principal
    
    Returns:
    
    The principal's name.
  - toString
```
public String toString()
```
    Returns a string representation of this principal.
    
    Specified by:
    
    toString in interface Principal
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    The principal's name.

Java Module jdk.security.auth Package com.sun.security.auth Class UserPrincipal（JDK11）

Class UserPrincipal

Constructor Summary

Method Summary

Methods declared in class java.lang.Object

Methods declared in interface java.security.Principal

Constructor Detail

UserPrincipal

Method Detail

equals

hashCode

getName

toString