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  1. import java.math.*;
  2.  
  3. class Ideone
  4. {
  5. 	public static void main (String[] args) {
  6. 		MM mm1 = new MM(BigDecimal.ONE);
  7.         MM mm2 = new MM(BigDecimal.TEN);
  8.         MM mm3 = mm1.add(mm2);
  9.         System.out.println(mm3.getValue());
  10. 	}
  11.  
  12. static class Unit<T extends Unit<T>> {
  13.     BigDecimal value;
  14.  
  15.     public Unit(BigDecimal value) {
  16.         this.value = value;
  17.     }
  18.  
  19.     public BigDecimal getValue() {
  20.         return value;  
  21.     }
  22.  
  23.     // First Arithmetic operation
  24.     public <U extends Unit<U>> U add(U measurement) {
  25.         value = value.add(measurement.getValue());
  26.         return (U)this;
  27.     }
  28. }
  29. static class MM extends Unit<MM> {
  30.     public MM(BigDecimal value) {
  31.         super(value);
  32.     }
  33. }
  34. }
Success #stdin #stdout 0.06s 32828KB
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https://ideone.com/0d0K7k
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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