What do you want to save?
Add Code snippet
New code examples
-
Java 2021-08-28 00:01:01
how to create a Scanner Object in java
import java.util.Scanner; // import scanner Scanner myScanner = new Scanner(System.in); // Make scanner obj String inputString = myScanner.nextLine(); // Take whole line boolean inputBoolean = myScanner.nextBoolean(); //Boolean input long inputLong ... Add solution -
Java 2021-08-27 17:29:01
check if string has special characters java
//1. Using Regex import java.util.regex.Matcher; import java.util.regex.Pattern; public class JavaHungry { public static void main(String args[]) { String inputString = "Alive*is*Awesome$"; Pattern pattern = Pattern.compi... Add solution -
Java 2021-08-27 13:55:01
android how to determine if the edit text focus changes
for (EditText view : editList){ view.setOnFocusChangeListener(focusListener); } .... private OnFocusChangeListener focusListener = new OnFocusChangeListener() { public void onFocusChange(View v, boolean hasFocus) { if (hasFocus){ ... Add solution -
Other 2021-08-27 11:40:02
Given an array of integers arr, write a function that returns true if and only if the number of occurrences of each value in the array is unique. using hashmap
import java.util.*; class Solution { public boolean uniqueOccurrences(int[] arr) { HashMap<Integer,Integer> hash = new HashMap<>(); for(int i = 0;i<arr.length;i++){ if(hash.containsKey(arr[i])){ ... Add solution -
Java 2021-08-27 09:45:01
save bitmap file for share on android 10
private void saveImage(Bitmap bitmap, @NonNull String name) throws IOException { boolean saved; OutputStream fos; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { ContentResolver resolver = mContext.getContentResolver(); ... Add solution -
Shell/Bash 2021-08-27 09:09:01
android check if package is installed
import android.content.pm.PackageManager; public boolean isPackageExisted(String targetPackage){ PackageManager pm=getPackageManager(); try { PackageInfo info=pm.getPackageInfo(targetPackage,PackageManager.GET_META_DATA); } catch (Package... Add solution