Chapter 4, ex 10, Java version

16:13 -- Starting 4.10,Java version
16:24 -- done. Got hung up on correct syntax to call a constructor via this. Tried this.ch04_ex10(...). That don't work! Eventually went back and took another look at the section called (wait for it) Calling constructors from constructors, and that cleared me up. *sigh* As my mother used to say, "When all else fails, read the directions."

---
// ch04_ex10.java
class ch04_ex10 {
  double quantity;
  ch04_ex10( double d ) {
    quantity = d;
  }
  ch04_ex10( int i ) {
    this( i * 1.0 );
  }
  public static void main(String[] args) {
    ch04_ex10 obj = new ch04_ex10( 1 );
  }
}
---

16:28 -- Starting 4.10, Lisp version
16:40 -- gotta split. Kinda stalled on how to do the initialize-instance.

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