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问题

public class Test {&en


public class Test {  public static void main(String [] args) {  System.out.println(args.length > 4 &&  args[4].equals(“-d”));  }  }   If the program is invoked using the command line: java Test One Two Three –d   What is the result?()  

  • A true
  • B false
  • C Compilation fails.
  • D An exception is thrown at runtime.
参考答案
参考解析:

The correct answer to this question is D. The args[4] generates a runtime exception error because there are only 4 strings and the expression args[4] prints the 5th String but like it was said earlier, there are only 4 strings. 

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