Java Exercises: Create a new string taking first and last characters from two given strings
Java Basic: Exercise-73 with Solution
Write a Java program to create a new string taking first and last characters from two given strings. If the length of either string is 0 use "#" for missing character.
Pictorial Presentation:

Sample Solution:
Java Code:
import java.lang.*;
public class Exercise73 {
public static void main(String[] args)
{
String str1 = "Python";
String str2 = "";
int length2 = str2.length();
String result = "";
result += (str1.length() >= 1) ? str1.charAt(0) : '#';
result += (length2 >= 1) ? str2.charAt(length2-1) : '#';
System.out.println(result);
}
}
Sample Output:
P#
Flowchart:

Java Code Editor:
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Java: Tips of the Day
countOccurrences
Counts the occurrences of a value in an array.
Use Arrays.stream().filter().count() to count total number of values that equals the specified value.
public static long countOccurrences(int[] numbers, int value) { return Arrays.stream(numbers) .filter(number -> number == value) .count(); }
Ref: https://bit.ly/3kCAgLb
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