mloza/Concatenation.java

## Concatenation.java
public class TextBlocksConcatenation {

    public static void main(String[] args) {
        String title = "Hello title";
        String header = "Hello header";
        System.out.println("""
        <html>
            <head>
                <title>""" + title + """
                </title>
            </head>
            <body>
                <h1>""" + header + """
                </h1>
            </body>
        </html>
    """);
    }
}

## enable-preview.xml
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.0</version>
                <configuration>
                    <release>13</release>
                    <compilerArgs>--enable-preview</compilerArgs>
                </configuration>
            </plugin>
        </plugins>
    </build>

## Formatting.java
package pl.mloza;

public class TextBlocksFormatting {
    private static String indentation = """
        <html>
            <head>
                <title>%s</title>
            </head>
            <body>
                <h1>%s</h1>
            </body>
        </html>
    """;

    public static void main(String[] args) {
        System.out.println(indentation.formatted("Hello title", "Hello header"));
    }
}

## Indentation.java
public class TextBlocksIndentation {
    // #1
    private static String indentation = """
        <html>
            <head>
                <title>Hello world!</title>
            </head>
            <body>
                <h1>Hello World</h1>
            </body>
        </html>
    """;

    // #2
    private static String indentationTwo = """
        <html>
            <head>
                <title>Hello world!</title>
            </head>
            <body>
                <h1>Hello World</h1>
            </body>
        </html>
            """;

    public static void main(String[] args) {
        System.out.println(indentation);
        System.out.println(indentationTwo);
    }
}

## Invalid.java
public class TextBlocksInvalid {

    // #1
    private static String invalidOne = """""";
    // #2
    private static String invalidTwo = """ """;
    // #3
    private static String invalidThree = """
     ";
     // #4
    private static String invalidFour = """
      asd \ asd
    """";

}

## Text-Blocks.java
.

## TextBlocks.java
package pl.mloza;

public class TextBlocks {
    private static String classic = "    <html>\n" +
            "        <head>\n" +
            "            <title>Hello world!</title>\n" +
            "        </head>\n" +
            "        <body>\n" +
            "            <h1>Hello World</h1>\n" +
            "        </body>\n" +
            "    </html>";

    private static String block = """
        <html>
            <head>
                <title>Hello world!</title>
            </head>
            <body>
                <h1>Hello World</h1>
            </body>
        </html>
    """;

    public static void main(String[] args) {
        System.out.println(classic);
        System.out.println(block);
    }
}

## TextBlocksTwo.java
public class TextBlocksTwo {
    // #1
    private static String noLineEnding = """
        <html>
            <head>
                <title>Hello world!</title>
            </head>
            <body>
                <h1>Hello World</h1>
            </body>
        </html>""";

    // #2
    private static String block = """
        "We can put here quotes but slashes needs to be escaped \\"
        Comments are not working here # // /* xxx */
        Triple quotes needs to be escaped \"""
    """;

    // #3
    private static String emptyString = """
    """;

    // #4
    private static String blockConcatenation = block + noLineEnding;

    // #5
    private static String escapeSequences = """
            First line \n Second line
        """;

    public static void main(String[] args) {
        System.out.println(noLineEnding);
        System.out.println(block);
        System.out.println("Empty string: " + emptyString);
        System.out.println(blockConcatenation);
        System.out.println(escapeSequences);
    }
}
	public class TextBlocksConcatenation {

	public static void main(String[] args) {
	String title = "Hello title";
	String header = "Hello header";
	System.out.println("""
	<html>
	<head>
	<title>""" + title + """
	</title>
	</head>
	<body>
	<h1>""" + header + """
	</h1>
	</body>
	</html>
	""");
	}
	}
	<build>
	<plugins>
	<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-compiler-plugin</artifactId>
	<version>3.8.0</version>
	<configuration>
	<release>13</release>
	<compilerArgs>--enable-preview</compilerArgs>
	</configuration>
	</plugin>
	</plugins>
	</build>
	package pl.mloza;

	public class TextBlocksFormatting {
	private static String indentation = """
	<html>
	<head>
	<title>%s</title>
	</head>
	<body>
	<h1>%s</h1>
	</body>
	</html>
	""";

	public static void main(String[] args) {
	System.out.println(indentation.formatted("Hello title", "Hello header"));
	}
	}
	public class TextBlocksIndentation {
	// #1
	private static String indentation = """
	<html>
	<head>
	<title>Hello world!</title>
	</head>
	<body>
	<h1>Hello World</h1>
	</body>
	</html>
	""";

	// #2
	private static String indentationTwo = """
	<html>
	<head>
	<title>Hello world!</title>
	</head>
	<body>
	<h1>Hello World</h1>
	</body>
	</html>
	""";

	public static void main(String[] args) {
	System.out.println(indentation);
	System.out.println(indentationTwo);
	}
	}
	public class TextBlocksInvalid {

	// #1
	private static String invalidOne = """""";
	// #2
	private static String invalidTwo = """ """;
	// #3
	private static String invalidThree = """
	";
	// #4
	private static String invalidFour = """
	asd \ asd
	"""";

	}
	package pl.mloza;

	public class TextBlocks {
	private static String classic = " <html>\n" +
	" <head>\n" +
	" <title>Hello world!</title>\n" +
	" </head>\n" +
	" <body>\n" +
	" <h1>Hello World</h1>\n" +
	" </body>\n" +
	" </html>";

	private static String block = """
	<html>
	<head>
	<title>Hello world!</title>
	</head>
	<body>
	<h1>Hello World</h1>
	</body>
	</html>
	""";

	public static void main(String[] args) {
	System.out.println(classic);
	System.out.println(block);
	}
	}
	public class TextBlocksTwo {
	// #1
	private static String noLineEnding = """
	<html>
	<head>
	<title>Hello world!</title>
	</head>
	<body>
	<h1>Hello World</h1>
	</body>
	</html>""";

	// #2
	private static String block = """
	"We can put here quotes but slashes needs to be escaped \\"
	Comments are not working here # // /* xxx */
	Triple quotes needs to be escaped \"""
	""";

	// #3
	private static String emptyString = """
	""";

	// #4
	private static String blockConcatenation = block + noLineEnding;

	// #5
	private static String escapeSequences = """
	First line \n Second line
	""";

	public static void main(String[] args) {
	System.out.println(noLineEnding);
	System.out.println(block);
	System.out.println("Empty string: " + emptyString);
	System.out.println(blockConcatenation);
	System.out.println(escapeSequences);
	}
	}