Kwong-Hung YIP kwonghung-YIP

A full stack developer working on spring boot and React

kwonghung-YIP / list_all_combination.java

Last active May 17, 2022 01:19

Find the binary string of a long value with bitwise operator (Java)

	// "static void main" must be defined in a public class.
	public class Main {
	public static void main(String[] args) {
	listItem(new String[] {"A","B","C","D","E","F"});
	}

	static public void listItem(String[] names) {
	int n = names.length;
	for (int c=0;c<Math.pow(2,n);c++) {
	System.out.print("{");

kwonghung-YIP / knapsack.java

Created May 25, 2022 20:08

Knapsack problem

	// "static void main" must be defined in a public class.
	public class Knapsack {

	private String[] name;
	private int[] weight;
	private int[] value;
	private int[][] m;
	private int capacity;

	public static void main(String[] args) {