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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...

In an application using io.kubernetes:client-java:2.0.0, I have some code that queries a cluster to fetch pods that meet a certain condition and then transform the data in various ways. In writing a ...

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

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 ...

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 ...

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'); ...