A.’a’ B."a" C.new Character(a) D.\000a
A.equals(Object) B.trim() C.round() D.toString()
public class Holt extends Thread{ private String sThreadName; public static void main(String argv[]){ Holt h = new Holt(); h.go(); } Holt(){} Holt(String s){ sThreadName = s; } public String getThreadName(){ return sThreadName; } public void go(){ Holt first = new Holt("first"); first.start(); Holt second = new Holt("second"); second.start(); } public void start(){ for(int i = 0; i < 2; i ++){ System.out.println(getThreadName() +i); try{ Thread.sleep(100); } catch(InterruptedException e){ System.out.println(e.getMessage()); } } } } 當(dāng)編譯運(yùn)行上面的Java代碼時(shí),將會出現(xiàn)()。
A.編譯時(shí)錯誤 B.輸出first0, second0, first0, second1 C.輸出first0, first1, second0, second1 D.運(yùn)行時(shí)錯誤