当对字符串进行修改的时候，需要使用StringBuffer和StringBuilder类。 和String类不同的是，StringBuffer和StringBuilder类的对象能够被多次的修改，并且不产生新的未使用对象。 StringBuilder类在Java 5中被提出，它和StringBuffer之间的最大不同在于StringBuilder的方法不是线程安全 ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...

Java is an object-oriented programming language. To create objects and meaningfully initialize them, a developer must use a Java constructor. Constructors are a critical part of software development ...

In this 3rd installment of the series, I’ll be showing you how to import classes in order to further extend the capabilities of Java. I’ll also be looking a little more at what object oriented ...