单项选择题

publicclassFoo{staticint[]a;static{a[0]=2;}publicstaticvoidmain(String[]args){}}Whichexceptionorerrorwillbethrownwhenaprogrammerattemptstorunthiscode?()

A.java.lang.StackOverflowError
B.java.lang.IllegalStateException
C.java.lang.ExceptionlnlnitializerError
D.java.lang.ArraylndexOutOfBoundsException
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