@Override public int compareTo(@NotNull Object o) { if (o instanceof Task task) { if (task.getStartTime() == null) { return -1; } else if (task.getStartTime().isBefore(this.startTime)) { return 1; } else if (task.getStartTime().isAfter(this.startTime)) { return -1; } else return 0; } else throw new RuntimeException("Не наследник Task"); } java: pattern matching in instanceof is not supported in… Read More What can replace instanceof for java 11?
I’m practicing Python and I am having a few issues with my code. I am trying to define the main function and prompt the user to enter three specific numbers. The program is supposed to find the average of these three numbers and compare the average to the numbers entered then count how many numbers… Read More Is there a code where it prompts the user to enter specific numbers?
I have my ‘Person’ class as follows – public class Person implements Comparable<Person> { private int marks; private String name; Person(int marks, String name) { this.marks = marks; this.name = name; } public int getMarks() { return marks; } public String getName() { return name; } @Override public String toString() { return "Person: Marks =… Read More Can Collections.sort() take treeSet as first argument? If not why?
I need to create program to offer the user the ability to produce the report as show about in alphabetical order by township name or in size order by township square mile. But I get error message when I run the text file with the code. Without the text file, my code works, but when… Read More Error message when I attach a textfile to my code
I need to update one data in my List<Cards>. Class Cards looks like this: public class Cards implements Comparable<Cards>{ private int cardImage, cardID, cardScore; public Cards(int cardImage, int cardID, int cardScore){ this.cardImage = cardImage; this.cardID = cardID; this.cardScore = cardScore; } public int getImage(){ return cardImage; } public int getId(){ return cardID; } public int… Read More How to update a specific value in List<Class>?
I have a list of Student objects, each of them has 3 properties. Color, Size and their names. I want to sort them in ascending order based on their color first, followed by descending order of size and finally, in ascending order of their names. For example, if input is (first line name, second line… Read More Sorting an array based on different properties of objects by overriding compareTo() method
I am trying to compare two words and see if guess comes before word using compareTo() while(!guess.equals(word)){ if(compare < 0){ System.out.println(word + " Comes before your guess. "); detail(); } else if(compare > 0) { System.out.println(word + "Comes after your guess. "); detail(); } } System.out.println("You guessed it!"); >Solution : s1.compareTo(s2) is positive(>0) if s1… Read More Trying to compare two words in alphabetical order using a while loop to see which one if guess comes before of after word
I wan to create a method for which we give text(String) as an input argument. The method will return the number of words without repetition. For example: "cat, dog, Cat, Bird, monkey" return value:4 How can I compare each Collections item with each other? What I already have: public class WordsCounter { public static void… Read More Java Collections-the number of words without repetition