class/src/main/java/jvm/gc/g1/StringDeduplication.java
package jvm.gc.g1;
import java.util.concurrent.TimeUnit;
/**
* @author https://github.com/kuangcp on 2021-05-16 23:36
* <p>
* -Xms15m -Xmx15m -XX:+PrintGCDetails -XX:+UseG1GC -XX:+PrintStringTableStatistics -XX:+UseStringDeduplication -XX:+PrintStringDeduplicationStatistics
*/
public class StringDeduplication {
// TODO 如何设计用例 体现去重特性
public static void main(String[] args) throws InterruptedException {
for (int j = 0; j < 100; j++) {
for (int i = 0; i < 1000; i++) {
String.valueOf(i).intern();
}
TimeUnit.MILLISECONDS.sleep(30);
}
}
}