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Java 2022-03-22 01:10:17
java array to arraylist
new ArrayList<>(Arrays.asList(array)); Add solution -
Java 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 -
Java 2022-03-17 20:20:04
java add a list to a list
package com.journaldev.examples; import java.util.ArrayList; import java.util.List; public class ListAddExamples { public static void main(String[] args) { List<String> vowels = new ArrayList<>(); vowels.add("A"); // [A] ... Add solution -
Java 2022-03-05 05:40:24
swap items in arraylist java
public class ArrayListExample { public static void main(String[] args) { ArrayList<String> list = new ArrayList<>(Arrays.asList("a", &q... Add solution -
Java 2022-02-27 14:30:01
java type casting
Primitive Type casting and Reference Type casting PRIMITIVE CASTING: implicit casting (casting smaller type to larger int a = 100; double c = a;) explicit casting (casting larger to smaller byte b = (byte) a; REFERENCE CASTING: upcasting - implicitl... Add solution -
Java 2022-02-23 00:10:11
Create dynamic 2d array in java
// Create dynamic 2d array in java import java.util.ArrayList; import java.util.List; public class Dynamic2dArray { public static void main(String[] args) { List<int[]> li = new ArrayList<>(); li.add(new int[]{2,4,6}); ... Add solution -
Java 2022-02-11 11:50:02
spring custom auth frugalis
package com.frugalis; import java.util.ArrayList; import java.util.List; import org.springframework.security.authentication.AuthenticationProvider; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; impor... Add solution
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