Data update

Task/Quoting-constructs/C++/quoting-constructs.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+#include <vector>
+
+int main() {
+	// C++ uses double quotes for strings and single quotes for characters.
+	std::string simple_string = "This is a simple string";
+	char letter = 'A';
+	std::cout << simple_string << "    " << letter << std::endl;
+
+	// C++ can implement multiline strings.
+	std::string multiline_string = R"(
+			An example of multi-line string.
+				Text formatting is preserved.
+			This is a raw string literal, introduced in C++ 11.)";
+	std::cout << multiline_string << std::endl;
+
+	// C++'s primitive data types: bool, char, double, float, int, long, short,
+    // can be used to to store data, for example,
+	const int block_length = 64;
+	std::cout << "block length = " << block_length << std::endl;
+
+	// Vectors of these data types are also possible, for example,
+	std::vector<double> state = { 1.0, 2.0, 3.0 };
+}

Task/Quoting-constructs/Java/quoting-constructs.java

@@ -11,11 +11,11 @@ public final class QuotingConstructs {
 		String multiLineString = """
                 This is an example of multi-line string.
                     Text formatting is preserved.
-                Text blocks can be used for multi-line string.
+                Text blocks can be used for a multi-line string.
                 """;
 		System.out.println(multiLineString);
 		
-		// Java's primitive data types: boolean, byte, char double, float, int, long, short,
+		// Java's primitive data types: boolean, byte, char, double, float, int, long, short,
 		// can be used to to store data, for example,
 		final int blockLength = 64;