Spring Boot Actuator
The characteristics of microservices determine that the deployment of functional modules is distributed. Most of the functional modules are running on different machines and interact with each other through service…
The characteristics of microservices determine that the deployment of functional modules is distributed. Most of the functional modules are running on different machines and interact with each other through service…
You can implement a bucket using an array, ArrayList, or LinkedList. We will use LinkedList for demonstration. You can view each cell in the hash table as the reference to…
A collision occurs when two keys are mapped to the same index in a hash table. Gener- ally, there are two ways for handling collisions: open addressing and separate chaining.…
A typical hash function first converts a search key to an integer value called a hash code, then compresses the hash code into an index to the hash table. Java’s…
Before introducing hashing, let us review the map, which is a data structure that is implemented using hashing. Recall that a map is a container object that stores entries. Each…
I think you have already noticed the unusual header for the main method in Java, which has the parameter args of String[] type. Obviously, args is an array of String. The main…
Overview Binary Search is a commonly used search algorithm in programming. Let's see how we implement it by using the Java programming language. For binary search to work, we need…
The linear search approach compares the key element key sequentially with each element in the array. It continues to do so until the key matches an element in the array,…
RESTful API Authentication Method Generally speaking, RESTful API get Authentication and Authorization to make sure the safety of the API. Authentication vs Authorization Authentication means the identity of the user…
概述 String 对于日常代码来说是一个使用频率很高的对象,因为它的一些使用数据和基本数据类型有些相似,所以很容易把String 混淆为基本数据类型。 public final class String implements java.io.Serializable, Comparable<String>, CharSequence { /** The value is used for character storage. */ private final char value[]; /** Cache the hash…