Tag: java

java.lang.String

java.lang.Double

java.lang.StringBuffer

java.lang.Character

java.util.HashSet

java.util.LinkedHashSet

java.util.List

java.util.ArrayList

java.util.Map

java.util.Set

java.util.List

java.util.Collection

Java.util.Map

Java.util.List

Java.util.HashTable

Java.util.Collection

Java.util.Map

Java.util.Set

Java.util.List

Java.util.Collection

java.util.ArrayList

java.util.LinkedHashMap

java.util.HashMap

java.util.TreeMap

java.util.SortedMap

java.util.TreeMap

java.util.TreeSet

java.util.Hashtable

float f = 1F;

float f = 1.0;

float f = "1";

float f = 1.0d;

0 to 32767

0 to 65535

-256 to 255

-32768 to 32767

It can extend exactly one class and implement exactly one interface.

It can extend exactly one class and can implement multiple interfaces.

It can extend exactly one class or implement exactly one interface.

It can implement multiple interfaces regardless of whether it also extends a class.