Sample4.java

public class Sample4 {
 public static void printLastChars(String str) {
 String[] arr = str.split(" ");
 StringBuffer newStr = new StringBuffer();

 for (String cur : arr) {
 if (!cur.isBlank())
 newStr.append(cur.charAt(cur.length() - 1));
 }

 System.out.println(newStr);
 }

 public static void main(String[] args) {
 String str = "Hello Welcome Java World";
 printLastChars(str);
 }
}