In this example we will be using Bitcoin data in CSV (comma-separated values file) which we will custom parse and load in our application. Then user have to provide date in format year-month-day (yyyy-MM-dd) and the program will print the highest BTC (Bitcoin) price and the lowest BTC (Bitcoin) price in United States dollars. In … Read more
Program will take as input two numbers a and b and find and print c which is the sum of a and b. Output:
In algebra, a quadratic equation (from Latin quadratus ‘square‘) is any equation that can be rearranged in standard form as: ax2 + bx + c = 0 This java program will try to find the roots of this quadratic equation based on the parameters a, b and c. This parameters are required to be given as input from the console and then … Read more
Program which print 11X11 (11 rows by 11 columns) star rectangle and also one star in the center Output:
In this example we will make Java program that filter List with Predicate. is create with positive and negative numbers. Then this list is filter by Stream.filter method which accept predicate as argument. There are three examples: Output:
Program that convert from Map to List in several ways. There are several cases based on the desired result: Output:
Example of a Java program which convert Set to List with ArrayList’s constructor which accept Collection. Output:
Let’s try to create simple Java ASCII Art as letter V. Program which create letter V with 10 columns 20 rows Output
One of the way to remove elements of collection (in this example list) is to use method removeIf Method declaration: default boolean removeIf(Predicate<? super E> filter) Description: Removes all of the elements of this collection that satisfy the given predicate. Errors or runtime exceptions thrown during iteration or by the predicate are relayed to the caller. … Read more
If you need to find difference between two sets you can use method removeAll. The difference will be kept only on the set which is calling the method. Definition: booleanremoveAll(Collection<?> c) Description: Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a … Read more
