Core Java interview questions and answers will help you in preparing for the interviews. Whether you are a fresher or experienced professional, the questions will help you in getting a competitive ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

In Java, arrays are useful data structures that store elements of the same data type sequentially in memory. Frequently, developers need to determine the size of an array for various reasons like ...

Given an array of length N and an integer x, you need to find and return the first index of integer x present in the array. Return -1 if it is not present in the array. First index means, the index of ...

Given an array of length N and an integer x, you need to find and return the last index of integer x present in the array. Return -1 if it is not present in the array. Last index means - if x is ...

I've got 40 years C experience, mostly with device drivers and OS internals (helped port Linux to the SH-4 back in 2000). I retired a few years back (thank you Qualcomm), and learned Java to scratch ...

One of the reasons developers love Java is that the JVM performs garbage collection (GC) for them. One of the reasons system admins hate the JVM is the unpredictable nature of Java GC. A Java GC ...