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问题

public class X { 


public class X {   public static void main (Stringargs) {   string s = new string (“Hello”);   modify(s);   System.out.printIn(s);   }   public static void modify (String s) {   s += “world!”;   }   }   What is the result?() 

  • AThe program runs and prints “Hello”
  • BAn error causes compilation to fail.
  • CThe program runs and prints “Hello world!”
  • DThe program runs but aborts with an exception.
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分类:SCJP程序员认证考试题库
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