THE PACKAGE JAVA.LANG
java.lang.String
20.12
20.12.44
public static String valueOf(long l)
A string is created and returned. The string is computed exactly as if by the
method
Long.toString
 of one argument ( 20.8.12).
20.12.45
public static String valueOf(float f)
A string is created and returned. The string is computed exactly as if by the
method
Float.toString
 of one argument ( 20.9.16).
20.12.46
public static String valueOf(double d)
A string is created and returned. The string is computed exactly as if by the
method
Double.toString
 of one argument ( 20.10.15).
20.12.47
public String intern()
A pool of strings, initially empty, is maintained privately by the class
String
.
When the intern method is invoked, if the pool already contains a string equal
to this
String
 object as determined by the
equals
 method ( 20.12.9), then the
string from the pool is returned. Otherwise, this
String
 object is added to the
pool and a reference to this
String
 object is returned.
It follows that for any two strings
s
 and
t
,
s.intern() == t.intern()
 is
true
 if and only if
s.equals(t)
 is
true
.
All literal strings and string valued constant expressions are interned
( 3.10.5).
547






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