code: private void addConstantInteger(final int index, final int tag, final int value) {
      add(new Entry(index, tag, value, hash(tag, value)));
    }
docs: Adds a new CONSTANT_Integer_info or CONSTANT_Float_info to the constant pool of this symbol
  table.
  
  @param index the constant pool index of the new Symbol.
  @param tag one of {@link Symbol#CONSTANT_INTEGER_TAG} or {@link Symbol#CONSTANT_FLOAT_TAG}.
  @param value an int or float.