Wissen Infotech Senior Java Developer interview questions

Online technical round after clearing this technical round One to one technical round Where you will be asked with a java programs one was related to thread and other was related to trains arrival and departure

I had 3 rounds of technical interview. 2 with the leads and 1 client round. After clearing client round they asked me to come for F2F. There again there was pen paper process with the coding questions included and after that F2F happened that too by intern and got rejected in final.