public static void main(String[]args){<br /> String str="null";<br /> if(str==null){<br /> System.out.println("null");<br /> }else(str.length()==0){<br /> System.out.println("zero");<br /> }else{<br /> System.out.println("some");<br /> }<br /> }<br /> What is the result?()
A、null
B、zero
C、some
D、Compilationfails.
E、Anexceptionisthrownatruntime.