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This article will explain in detail what the four citations about Java are. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Four references to Java, scenarios used

Strong reference: the garbage collector will not recycle

Soft reference: if there is enough memory space, the garbage collector will not collect it. If there is not enough memory space, the garbage collector will collect it.

Weak references: once an object with only weak references is found, the garbage collector collects it.

Virtual reference: if it is found that the object also has a virtual reference, the virtual reference will be added to the reference queue associated with it before the object is recycled.

What are the characteristics of Java? what are the characteristics of Java? what is the 1.Java language that represents the static object-oriented programming language? it implements the object-oriented theory and allows programmers to carry out complex programming in an elegant way of thinking. 2.Java has the characteristics of simplicity, object-oriented, distributed, security, platform independence and portability, dynamic and so on. 3. Using Java, you can write desktop applications, Web applications, distributed systems, embedded system applications, and so on.

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