Understanding the Usage of ‘Can’

Understanding the Usage of 'Can'

The negative form of can: cannot/can't 1. Basic Usage 1. Indicates ability (in terms of physical and mental capacity) to do or to happen, meaning “can, able to,” etc., generally indicating present ability, for example: They could speak English at a very young age. They could speak English at a very young age. Peter can … Read more

Understanding The Differences Among Four ‘Say’ Words

Understanding The Differences Among Four 'Say' Words

speak /spiːk/ vi.to speak say /seɪ/ vi.to say talk /tɔːk/ vi.to talk tell /tel/ vt.to tell These four words all have the meaning of saying; do you know how to use them? Let’s take a look with the teacher! 1. speak means “to talk” and is an intransitive verb emphasizing the action of beginning to … Read more

An Overview of Spring SPI Mechanism

An Overview of Spring SPI Mechanism

This article introduces the SPI mechanism in Spring. abstract.png Basic Practice Spring SPI draws on the design philosophy of Java SPI. It implements the SPI mechanism through the spring.factories method, providing extensibility to the framework without modifying its source code. Specifically, we first define an SPI interface. package com.aaron.application.SpringSpi.BasicSpiDemo; public interface Greet { void hello(); … Read more