What do you want to save?
Add Code snippet
New code examples in category Java
-
Krish 2022-03-19 17:25:23
replace character in string java
public static void main(String args[]){ String s1="my name is khan my name is java"; String replaceString=s1.replace("is","was");//replaces all occurrences of "is" to "was" System.out.println(replace... Add solution -
Awgiedawgie 2022-03-19 16:25:23
how to cast arraylist to array in java
import java.util.ArrayList; public class ListToArray { public static void main(String args[]){ ArrayList<String> list = new ArrayList<String>(); list.add("Apple"); ... Add solution -
Awgiedawgie 2022-03-19 12:55:14
how to have multiple conditions in an if statement java
//Program to check if the answer to the given question is correct //with multiple conditions in a single else if statement import java.util.Scanner; public class MultipleChoiceQuestion { public static void main(String args[]) { String question... Add solution -
Phoenix Logan 2022-03-18 20:30:06
how to set username, roles, admin in jwt claims example coding in java
public String createToken(String username, List<Role> roles) { Claims claims = Jwts.claims().setSubject(username); claims.put("auth", roles.stream().map(s -> new SimpleGrantedAuthority(s.getAuthority())).filter(Objects::nonNull... Add solution -
IllusiveBrian 2022-03-18 03:30:02
remove item from arraylist in java
// Java.util.ArrayList.remove(Object) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveObjectMethod { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution -
Phoenix Logan 2022-03-18 01:20:02
how to make abstract method in java
Sometimes we may come across a situation where we cannot provide implementation to all the methods in a class. We want to leave the implementation to a class that extends it. In such case we declare a class as abstract.To make a class abstract we use ke... Add solution -
Awgiedawgie 2022-03-17 23:00:04
how to pass path parameter in url in spring rest
@RequestMapping(method = RequestMethod.GET, value = "/custom") public String controllerMethod(@RequestParam Map<String, String> customQuery) { System.out.println("customQuery = brand " + customQuery.containsKey(&... Add solution