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New code examples in category Java
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Lina Omran 2021-08-29 20:14:01
hashmap get value java
//Import Hashmap import java.util.HashMap; HashMap<String, String> dir = new HashMap<String, String>(); //Add key, values dir.put("hi", "hello"); dir.put("wow", "amazing"); //print value ... Add solution -
Sooraj vs 2021-08-29 19:26:02
Caused by: java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
<dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.18</version> </dependency> Add solution -
Jim Heirbrandt 2021-08-29 15:17:02
java scanner stack overflow
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 -
Humble Listener 2021-08-29 14:53:01
2d arraylist in java
int vertexCount = 3; ArrayList<ArrayList<Integer>> graph = new ArrayList<>(vertexCount); //Next, we'll initialize each element of ArrayList with another ArrayList: for(int i=0; i < vertexCount; i++) { graph.add(new ArrayList()); } Add solution -
Miniml 2021-08-29 14:07:02
autocompletetextview in android studio
public class CountriesActivity extends Activity { protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.countries); ArrayAdapter<String> adapter = new ArrayAdapter<String>(th... Add solution
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