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Static field, constructor and exceptionTag(s): Language


Consider the following class 
public class Foo {
   private static Bar b = new Bar();
   ...
 }

class Bar {
  public Bar ( ) throws Exception {
  }
}
it will not compile because Bar() is declared to throw an exception.

To solve this situation, use a static block. 

public class Foo {
  static Bar bar ;

  static {
    try {
       bar  = new Bar() ;
    } 
    catch ( Exception e ) {
      e.printStackTrace() ;
    }
  }
}

class Bar {
  public Bar ( ) throws Exception {
  }
}
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