Ppt4j: Patch Presence Test for Java Binaries - Pan, Zhiyuan; Hu, Xing; Xia, Xin; Zhan, Xian; Lo, David; Yang, Xiaohu (2024 IEEE/ACM 46th International Conference on Software Engineering (ICSE), Software Engineering (ICSE), 2024 IEEE/ACM 46th International Conference on, ICSE, 2024)