| Package | Description |
|---|---|
| java.io | |
| java.lang | |
| java.lang.annotation | |
| java.util | |
| java.util.concurrent |
| Modifier and Type | Class and Description |
|---|---|
class |
ObjectStreamField
A description of a Serializable field from a Serializable class.
|
| Modifier and Type | Class and Description |
|---|---|
class |
Boolean
The Boolean class wraps a value of the primitive type
boolean in an object. |
class |
Byte
The
Byte class wraps a value of primitive type byte
in an object. |
class |
Character
The
Character class wraps a value of the primitive
type char in an object. |
class |
Double
The
Double class wraps a value of the primitive type
double in an object. |
class |
Enum<E extends Enum<E>>
This is the common base class of all Java language enumeration types.
|
class |
Float
The
Float class wraps a value of primitive type
float in an object. |
class |
Integer
The
Integer class wraps a value of the primitive type
int in an object. |
class |
Long
The
Long class wraps a value of the primitive type long in an object. |
class |
Short
The
Short class wraps a value of primitive type short in an object. |
class |
String
The
String class represents character strings. |
| Modifier and Type | Class and Description |
|---|---|
class |
ElementType
A program element type.
|
class |
RetentionPolicy
Annotation retention policy.
|
| Modifier and Type | Method and Description |
|---|---|
static <T extends Object & Comparable<? super T>> |
Collections.max(Collection<? extends T> coll)
Returns the maximum element of the given collection, according to the
natural ordering of its elements.
|
static <T extends Object & Comparable<? super T>> |
Collections.min(Collection<? extends T> coll)
Returns the minimum element of the given collection, according to the
natural ordering of its elements.
|
static <T extends Comparable<? super T>> |
Collections.sort(List<T> list)
Sorts the specified list into ascending order, according to the
natural ordering of its elements.
|
| Modifier and Type | Method and Description |
|---|---|
static <T> int |
Collections.binarySearch(List<? extends Comparable<? super T>> list,
T key)
Searches the specified list for the specified object using the binary
search algorithm.
|
| Modifier and Type | Class and Description |
|---|---|
class |
TimeUnit
A TimeUnit represents time durations at a given unit of
granularity and provides utility methods to convert across units,
and to perform timing and delay operations in these units.
|
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