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Java Code Examples: Ready to use Java examples which you can use directly into your Java programs. Learn from basic to advanced concepts by Java examples and coding samples.
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String
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Collection Examples
Java ArrayList insert element at beginning example
3 Min Read
Find Minimum Maximum value in ArrayList
4 Min Read
Java ArrayList remove last element example
2 Min Read
Java print ArrayList example
4 Min Read
Basic Examples
Java array indexOf example
3 Min Read
Example Employee Class
2 Min Read
Example Student class
2 Min Read
Java String array initialize example
3 Min Read
RegEx Examples
Count occurrences of substring in string in Java example
4 Min Read
Remove HTML tags from String in Java example
5 Min Read
Check if String starts with a number in Java example
2 Min Read
Java Regular Expression Remove Leading Zeros Example
5 Min Read
IO Examples
java.io.FileNotFoundException (Access is denied) – Causes and Fix
4 Min Read
Make file hidden in Java example
3 Min Read
Delete a file or directory in Java
3 Min Read
Java create directory example
3 Min Read
Date & Time Examples
Java Regular Expression Validate Date Example (RegEx)
6 Min Read
String Examples
Mask part of string example in Java
6 Min Read
Check if String is uppercase in Java example
3 Min Read
Remove duplicate words from String in Java example
3 Min Read
Java StringBuilder remove last character example (StringBuffer)
4 Min Read
Latest Examples
Using RegEx in String Contains Method in Java
3 Min Read
Java RegEx – Replace Backslash
3 Min Read
Java RegEx – Get Text After Regex Match
2 Min Read
Java RegEx – Remove Decimal Part From the Number
2 Min Read
Java RegEx – Find Words By Length
3 Min Read
Java RegEx – Extract Text Between XML Tags
4 Min Read
Java RegEx – Get Matches Array or ArrayList
3 Min Read
Java RegEx NOT Operator
3 Min Read
Java String Insert Character at Specific Index
2 Min Read
Convert Java String to Int Array
3 Min Read
Java String Reverse
2 Min Read
Convert XML to Java String
2 Min Read
Java String Array Length
2 Min Read
Java String Get First N Characters
3 Min Read
Java String Replace First N Characters
3 Min Read
Java String is Null or Empty
3 Min Read
Check If String is Number in Java
3 Min Read
Java String Replace Whole Word Only
3 Min Read
Java String Replace Character
3 Min Read
Java StringTokenizer – Keep Delimiters
2 Min Read
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Test Your Knowledge in 5 Minutes
Language Basics Quiz
Operators Quiz
If Else Quiz
Assertion Quiz
Switch Quiz
While Loop Quiz
For Loop Quiz
Exception Quiz
OOPs Quiz
Declaration & Access Control Quiz
Popular Examples
Java ArrayList insert element at beginning example
3 Min Read
Count occurrences of substring in string in Java example
4 Min Read
Mask part of string example in Java
6 Min Read
Find Minimum Maximum value in ArrayList
4 Min Read
Check if String is uppercase in Java example
3 Min Read