[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6},"actionData","errors","routes/interviewPrep/PrepQuestionRoute",{"_7":8,"_9":10},"key","/interview-prep/q/java-thread-start-vs-run","prep",{"_11":12,"_13":14},"item",{"_15":16,"_17":18,"_19":20,"_21":22,"_23":24,"_25":26,"_27":28,"_29":30,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":46,"_47":48},"duplicateTitle",false,"id","java-thread-start-vs-run","stage","language","topic","lang-concurrency","order",10,"type","quiz","title","start() versus run()","difficulty","Easy","langs",[49],"seoDescription","Java threads quiz: what happens when you call run() instead of start() on a Thread, and what happens if you call start() twice on the same thread.","askedIn",[82,83,84,85,86],"prompt","

Which statements are true? Pick all that apply.

","multi",true,"options",[69,70,71,72],"free",{"_49":38},"stageInfo",{"_7":18,"_60":65,"_66":67,"_62":68},"topicInfo",{"_7":20,"_60":61,"_62":63,"_64":38,"_17":18},"nav",{"_49":50},"java",{"_51":-5,"_52":53,"_54":55,"_56":57},"prev","next",{"_15":58,"_25":59},"index",0,"total",8,"java-thread-safety-sync-deadlock","Threads and thread safety: synchronisation and deadlocks","name","Threads and concurrency basics","blurb","Threads, shared state and why parallel tests need care.","langSpecific","Your language","n",1,"The Java or Python fundamentals interviewers check first.",{"_15":80,"_74":81},{"_15":78,"_74":79},{"_15":76,"_74":77},{"_15":73,"_74":75},"d","text","A thread can be created from a lambda: new Thread(() -> work())","c","Calling t.start() a second time throws IllegalThreadStateException","b","t.run() also starts a new thread","a","t.start() creates a new thread that then calls run()","Accenture","Capgemini","Cognizant","Infosys","TCS"]