Category: java

A simple yet effective hash function for strings is the well-known “djb2” algorithm by Daniel J. Bernstein. It is simple to implement and has good performance characteristics for many …

In Java, we can use AtomicInteger to declare a integer that is thread-safe. We can wrap an array of AtomicInteger into a Thread-safe class. The following is a Java …

We can use the following Java Wrapper for Lock so that we can Try-With-Resources to Auto Close the Lock: public final class ALock implements AutoCloseable { private final Lock …

In Java, we can use the String’s extension method startsWith to check if it starts with a prefix. We can even specify the start position for the string matching …

In Java, we can use the handy String’s method Split to split a string by the given delimiter into array of strings. Have you wondered how it is implemented? …