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Java Code Examples: Ready-to-use Java examples that you can use directly in your Java programs. Learn from basic to advanced concepts by Java examples and coding samples.
Java Tutorials
Apache Commons
Array
ArrayList
Arrays
Basic Examples
Collection Framework
Comparable
Comparator
File
HashMap
HashSet
Hashtable
Iterator
Jsoup
LinkedHashMap
LinkedHashSet
LinkedList
ListIterator
Math
RegEx
String
StringBuffer
StringBuilder
StringTokenizer
TreeMap
TreeSet
Type Conversions
Vector
Collection Examples
Java ArrayList insert element at beginning example
Find Minimum Maximum value in ArrayList
Java ArrayList remove last element example
Java print ArrayList example
Basic Examples
Java array indexOf example
Example Employee Class
Example Student class
Java String array initialize example
RegEx Examples
Count occurrences of substring in string in Java example
Remove HTML tags from String in Java example
Check if String starts with a number in Java example
Java Regular Expression Remove Leading Zeros Example
IO Examples
java.io.FileNotFoundException (Access is denied) – Causes and Fix
Make file hidden in Java example
Delete a file or directory in Java
Java create directory example
Date & Time Examples
Java Regular Expression Validate Date Example (RegEx)
String Examples
Count occurrences of substring in string in Java example
Mask part of string example in Java
Check if String is uppercase in Java example
Remove HTML tags from String in Java example
Latest Examples
Using RegEx in String Contains Method in Java
Java RegEx – Replace Backslash
Java RegEx – Get Text After Regex Match
Java RegEx – Remove Decimal Part From the Number
Java RegEx – Find Words By Length
Java RegEx – Extract Text Between XML Tags
Java RegEx – Get Matches Array or ArrayList
Java RegEx NOT Operator
Java String Insert Character at Specific Index
Convert Java String to Int Array
Java String Reverse
Convert XML to Java String
Java String Array Length
Java String Get First N Characters
Java String Replace First N Characters
Java String is Null or Empty
Check If String is Number in Java
Java String Replace Whole Word Only
Java String Replace Character
Java StringTokenizer – Keep Delimiters