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Java 2022-02-15 14:50:19
how to print the map in java
import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.stream.Stream; class MapUtil { // Program to print all keys present in the Map using keySet() in Java public... Add solution -
Java 2022-02-15 10:15:02
howto make a button do an action on kotlin swing
import java.awt.Image; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.*; public class JButtonIcon { JButtonIcon(){ /* JFrame is a top level container (window) ... Add solution -
Java 2022-02-14 11:15:36
TreeMap K firstKey() method in java
import java.util.TreeMap; public class TreeMapFirstKeyMethodExample { public static void main(String[] args) { TreeMap<Integer, String> tm = new TreeMap<Integer, String>(); tm.put(2, "tejas"); tm.put(1, "... Add solution -
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Java 2022-02-12 07:20:51
ip adress format control java
import java.util.regex.Matcher; import java.util.regex.Pattern; // Java program to validate an IPv4 address class Main { // an IPv4 address private static final String INET4ADDRESS = "172.8.9.28"; private static final String IPV4_REGEX = ... Add solution -
Java 2022-02-11 14:40:22
convert base64 to pdf in android studio
import java.io.File; import java.io.FileOutputStream; import java.util.Base64; class Base64DecodePdf { public static void main(String[] args) { File file = new File("./test.pdf"); try ( FileOutputStream fos = new FileOutputStream(fil... Add solution
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