collections with examples

Java Collections And Data Structures ( java.util package )

• ArrayList
  • Add an element to specified index of Java ArrayList Example
  • Append all elements of other Collection to Java ArrayList Example
  • Copy all elements of Java ArrayList to an Object Array Example
  • Get Size of Java ArrayList and loop through elements Example
  • Get Sub List of Java ArrayList Example
  • Insert all elements of other Collection to Specified Index of Java ArrayList Example
  • Iterate through elements Java ArrayList using Iterator Example
  • Iterate through elements Java ArrayList using ListIterator Example
  • Remove all elements from Java ArrayList Example
  • Remove an element from specified index of Java ArrayList Example
  • Replace an element at specified index of Java ArrayList Example
  • Search an element of Java ArrayList Example
  • Simple Java ArrayList Example
  • Sort elements of Java ArrayList Example
• Arrays
  • Compare Two Java boolean Arrays Example
  • Compare Two Java byte Arrays Example
  • Compare Two Java char Arrays Example
  • Compare Two Java double Arrays Example
  • Compare Two Java float Arrays Example
  • Compare Two Java int Arrays Example
  • Compare Two Java long Arrays Example
  • Compare Two Java short Arrays Example
  • Create List from Java Object Array Example
• Collections
  • Copy Elements of ArrayList to Java Vector Example
  • Copy Elements of One Java ArrayList to Another Java ArrayList Example
  • Copy Elements of One Java Vector to Another Java Vector Example
  • Copy Elements of Vector to Java ArrayList Example
  • Create Java ArrayList From Enumeration Example
  • Create List containing n Copies of Specified Object Example
  • Find maxmimum element of Java ArrayList Example
  • Find maxmimum element of Java HashSet Example
  • Find maxmimum element of Java Vector Example
  • Find Minimum element of Java ArrayList Example
  • Find Minimum element of Java HashSet Example
  • Find Minimum element of Java Vector Example
  • Get Enumeration over Java ArrayList Example
  • Get Enumeration over Java HashSet Example
  • Get Enumeration over Java Vector Example
  • Get Synchronized List from Java ArrayList example
  • Get Synchronized Map from Java HashMap example
  • Get Synchronized Map from Java TreeMap example
  • Get Synchronized Set from Java HashSet example
  • Get Synchronized Set from Java TreeSet example
  • Iterate Over Unmodifiable Collection
  • Perform Binary Search on Java ArrayList Example
  • Perform Binary Search on Java Vector Example
  • Replace All Elements Of Java ArrayList Example
  • Replace All Elements Of Java Vector Example
  • Replace all occurrences of specified element of Java ArrayList Example
  • Replace all occurrences of specified element of Java Vector Example
  • Reverse order of all elements of Java ArrayList Example
  • Reverse order of all elements of Java Vector Example
  • Shuffle elements of Java ArrayList example
  • Shuffle elements of Java Vector example
  • Swap elements of Java ArrayList example
  • Swap elements of Java Vector example
• Comparator
  • Sort Java ArrayList in descending order using comparator example
  • Sort Java Vector in descending order using comparator example
• Enumeration
  • Enumerate through a Vector using Java Enumeration Example
• Hashmap
  • Check if a particular key exists in Java HashMap example
  • Check if a particular value exists in Java HashMap example
  • Get Set view of Keys from Java HashMap example
  • Get Size of Java HashMap Example
  • Iterate through the values of Java HashMap example
  • Remove all values from Java HashMap example
  • Remove value from Java HashMap example
  • Simple Java HashMap example
• HashSet
  • Check if a particular element exists in Java HashSet Example
  • Copy all elements of Java HashSet to an Object Array Example
  • Get Size of Java HashSet Example
  • Iterate through elements of Java HashSet example
  • Remove all elements from Java HashSet example
  • Remove specified element from Java HashSet example
  • Simple Java HashSet example
• Hashtable
  • Check if a particular key exists in Java Hashtable example
  • Check if a particular value exists in Java Hashtable example
  • Create Java Hashtable from HashMap example
  • Get Collection of Values from Java Hashtable example
  • Get Set view of Keys from Java Hashtable example
  • Get Size of Java Hashtable Example
  • Iterate through keys of Java Hashtable example
  • Iterate through values of Java Hashtable example
  • Remove all values from Java Hashtable example
  • Remove value from Java Hashtable example
  • Simple Java Hashtable example
• Iterator
  • Iterate through a Collection using Java Iterator Example
  • Remove an element from Collection using Java Iterator Example
• LinkedHashMap
  • Check if a particular key exists in Java LinkedHashMap example
  • Check if a particular value exists in Java LinkedHashMap example
  • Get Set view of Keys from Java LinkedHashMap example
  • Get Size of Java LinkedHashMap Example
  • Iterate through the values of Java LinkedHashMap example
  • Remove all values from Java LinkedHashMap example
  • Remove value from Java LinkedHashMap example
  • Simple Java LinkedHashMap example
• LinkedHashSet
  • Check if a particular element exists in Java LinkedHashSet Example
  • Copy all elements of Java LinkedHashSet to an Object Array Example
  • Get Size of Java LinkedHashSet Example
  • Iterate through elements of Java LinkedHashSet example
  • Remove all elements from Java LinkedHashSet example
  • Remove specified element from Java LinkedHashSet example
  • Simple Java LinkedHashSet example
• LinkedList
  • Add elements at beginning and end of LinkedList Java example
  • Check if a particular element exists in LinkedList Java example
  • Create an object array from elements of LinkedList Java example
  • Get elements from LinkedList Java example
  • Get first and last elements from LinkedList Java example
  • Get SubList from LinkedList Java example
  • Insert an Element into LinkedList Java example
  • Iterate through elements of Java LinkedList using Iterator example
  • Iterate through elements of Java LinkedList using ListIterator example
  • Remove all elements or clear LinkedList Java example
  • Remove first and last elements of LinkedList Java example
  • Remove range of elements from LinkedList Java example
  • Remove specified element from LinkedList Java example
  • Replace an Element of LinkedList Java example
  • Search elements of LinkedList Java example
  • Simple Java LinkedList example
• ListIterator
  • Add or insert an element to ArrayList using Java ListIterator Example
  • Get Previous and next index using Java ListIterator Example
  • Remove an element from ArrayList using Java ListIterator Example
  • Replace an element from ArrayList using Java ListIterator Example
  • Traverse through ArrayList in forward direction using Java ListIterator Example
  • Traverse through ArrayList in reverse direction using Java ListIterator Example
• Searching
  • Performing Binary Search on Java byte Array Example
  • Performing Binary Search on Java char Array Example
  • Performing Binary Search on Java double Array Example
  • Performing Binary Search on Java float Array Example
  • Performing Binary Search on Java int Array Example
  • Performing Binary Search on Java long Array Example
  • Performing Binary Search on Java short Array Example
• Sorting
  • Java Sort byte Array Example
  • Java Sort char Array Example
  • Java Sort double Array Example
  • Java Sort float Array Example
  • Java Sort int Array Example
  • Java Sort long Array Example
  • Java Sort short Array Example
• TreeMap
  • Check if a particular key exists in Java TreeMap example
  • Check if a particular value exists in Java TreeMap example
  • Get Head Map from Java TreeMap example
  • Get lowest and highest key stored in Java TreeMap example
  • Get Set view of Keys from Java TreeMap example
  • Get Size of Java TreeMap Example
  • Get Sub Map from Java TreeMap example
  • Get Tail Map from Java TreeMap example
  • Iterate through the values of Java TreeMap example
  • Remove all values from Java TreeMap example
  • Remove value from Java TreeMap example
  • Simple Java TreeMap example
• TreeSet
  • Check if a particular value exists in Java TreeSet example
  • Copy all elements of Java TreeSet to an Object Array Example
  • Get Head Set from Java TreeSet example
  • Get lowest and highest value stored in Java TreeSet example
  • Get Size of Java TreeSet Example
  • Get Sub Set from Java TreeSet example
  • Get Tail Set from Java TreeSet example
  • Iterate through elements of Java TreeSet example
  • Remove all elements from Java TreeSet example
  • Remove specified element from Java TreeSet example
  • Simple Java TreeSet example
• Vector
  • Add an element at specified index of Java Vector Example
  • Append all elements of other Collection to Java Vector Example
  • Copy all elements of Java Vector to an Object Array Example
  • Get Size of Java Vector and loop through the elements Example
  • Get Sub List of Java Vector Example
  • Insert all elements of other Collection to Specified Index of Java Vector Example
  • Iterate through elements Java Vector using Iterator Example
  • Iterate through elements Java Vector using ListIterator Example
  • Remove all elements from Java Vector Example
  • Remove an element from specified index of Java Vector Example
  • Remove specified element from Java Vector Example
  • Replace an element at specified index of Java Vector Example
  • Search an element of Java Vector Example
  • Search an element of Java Vector from specific index Example
  • Set size of Java Vector Example
  • Simple Java Vector Example
  • Sort elements of Java Vector Example