Immutable means, that class does not contain any method that would change it’s internal state. Example of immutable class: class ImmutableInteger { private final int value; public ImmutableInteger(int value) {this.value = value;} public int value() {return value;} public ImmutableInteger add(int a) { // instead of changing this state, we will create new instance with result … Read more
It should be used a.setScale(14, RoundingMode.HALF_UP) since after 14th pos. zeros are not significative at the end will be -71.07126540000002 solved BigDecimal issue with long and lat
Well, since you want to use String numbers, you will have to wrap them in quotations, but your sorting can be much more readable. I would suggest the following String[] numbers ={“-100”, “50”, “0”, “56.6”, “90”, “0.12”, “.12”, “02.34”, “000.000”}; List<BigDecimal> decimalList = new ArrayList<>(); for(String s: numbers){ decimalList.add(new BigDecimal(s)); } Collections.sort(decimalList); Collections.reverse(decimalList); // edit … Read more