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New code examples in category Java
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HoSsein MasiH
2022-03-28 05:35:55
Java
//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); /... Add solution -
Awgiedawgie
2022-03-27 23:50:15
Compilation is not supported for following modules: android. Unfortunately you can't have non-Gradle Java modules and Android-Gradle modules in one project
save .idea folder somewhere else (for backup) remove .idea folder start AndroidStudio select project [there may be an error, ignore that] click File -> Invalidate Caches/ Restart click button: Invalidate Caches/ Restart resolved Add solution -
Awgiedawgie
2022-03-27 23:35:04
Sort string array in case insensitive order and case sensitive order java
import java.util.Arrays; public class SortStringArrayDemo { public static void main(String[] args) { String[] fruits = new String[5]; fruits[0] = "Mango"; fruits[1] = "cherries"; fruits[2] = "Apple&q... Add solution -
Awgiedawgie
2022-03-27 22:40:19
TreeSet headSet(E toElement) method in java
import java.util.Iterator; import java.util.TreeSet; public class TreeSetHeadSetEToElementMethodExample { public static void main(String[] args) { TreeSet<Integer> ts = new TreeSet<Integer>(); TreeSet<Integer> hs = new ... Add solution
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