TheServerSide

Example Java String palindrome checker program using recursion

Community driven content discussing all aspects of software development from DevOps to design patterns. Good programmers need to create code that efficiently solves problems, using various methods. A ...
TheServerSide

How do I find the Java String length?

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to find the length of a String in Java: Declare a variable of type String ...
GitHub

HessianProtocolException: expected map/object at java.lang.String

Dubbo version: org.apache.dubbo:dubbo-spring-boot-starter:2.7.1 Operating System version: windows Java version: jdk8 I use org.apache.dubbo:dubbo-spring-boot-starter ...
Hacker

Safely toString a Java object

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...
GitHub

JSONObject.put(String, Object) doesn't store null value

According to the JSON specification, a JSON value may be null. However, JSONObject.put(String, Object) doesn't store this. It is therefore not possible to make a distinction between the object not ...
InfoWorld

Guava’s Objects Class: Equals, HashCode, and ToString

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...
InfoWorld

Java 101: Java’s character and assorted string classes support text-processing

Though Java already has a character type and char keyword to represent and manipulate characters, the language also requires a Character class for two reasons: Character c1 = new Character ('A'); ...