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Java Package

Question : 16

Total: 16

Given:

class Polish {
  public static void main(String[] args) {
   int x = 4;
   StringBuffer sb = new StringBuffer("..fedcba");
   sb.delete(3,6);
   sb.insert(3, "az");
   if(sb.length() > 6) x = sb.indexOf("b");
   sb.delete((x-3), (x-2));
   System.out.println(sb);
  }
}

What is the result?

.faza
.fzba
..azba
.fazba
..fezba
Compilation fails.
An exception is thrown at runtime.

Validate

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