What is a java string constant pool

Today, I will talk to you about what is the java string constant pool, many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

Output the results of the next question?

Package com.lau.javabase;public class StringInternTest {public static void main (String [] args) {String S1 = new StringBuilder ("mei"). Append ("tuan"). ToString (); System.out.println (S1 = = s1.intern ()); String S2 = new StringBuilder ("ja"). Append ("va"). ToString (); System.out.println (S2 = = s2.intern ()); String S3 = "java" System.out.println (S3 = = s3.intern ()); String S4 = "Alibaba"; System.out.println (S4 = = s4.intern ());}}

Output result:

Truefalsetruetrue reference 1:

Reference 2:

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