I am making  a train with some number of cars, that will be printed using Unicode characters. I am I am trying to build this method named getUnicodeString based on its specification. It needs a for-loop to generate the rail cars. Specification:      /**      * Builds a unicode train consisting of an engine,      * followed by getNumCars() railcars, followed by a      * caboose. A train will always have at least an engine      * and a caboose.      *       * @return a Unicode string as described above.      */ My code so far:  public String getUnicodeString() {         // replace the return statement with your solution         return null;     } }

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I am making  a train with some number of cars, that will be printed using Unicode characters. I am I am trying to build this method named getUnicodeString based on its specification. It needs a for-loop to generate the rail cars.

Specification: 
    /**
     * Builds a unicode train consisting of an engine,
     * followed by getNumCars() railcars, followed by a
     * caboose. A train will always have at least an engine
     * and a caboose.
     * 
     * @return a Unicode string as described above.
     */

My code so far: 

public String getUnicodeString() {
        // replace the return statement with your solution
        return null;
    }
}

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