Java Basics
- Strings
- Why Java String is unchangeable?
- How to determine if a character in String is number or not?
- How to detect if a string contains only uppercase letter?
- Arrays
- Common Methods
- Comparable vs Comparator
- How Java Compiler Generate Code for Overloaded and Overridden Methods?
- equals() and hashCode() Contract
- Date Formatting
- Using Java Libraries
- Exception
- Java Fun
- Practical Usage Examples
- Java method for spliting a camelcase string
- Java Code: Given range, return an array of N random numbers
- Java Method to Shuffle an Array
- Sort content in a txt file
- How to write a crawler by using Java?
- Schedule a java task to run at a certain time, and wrap it as a windows service
- An Entry Example of Log4j
- A simple example to show how to use java properties file
- A tool to increase blog visitor count
- Convert java jar file to exe
- Java code: Open IE browser and close it
- Please set java.home to a JDK installation
- Using Java to read web page
- java.util.Scanner
There are more Java API Examples from programcreek.