Text Blocks (Java 15+) — Free Java Tutorial

TL;DR: Learn Text Blocks (Java 15+) in Java with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

Text Blocks (Java 15+) in Java

Text blocks (Java 15+) are multi-line string literals surrounded by triple double-quotes """. They preserve formatting and eliminate the need for escape sequences.

The opening """ must be followed by a newline. Indentation is automatically stripped based on the least-indented line (incidental whitespace removal).

Text blocks support the same escape sequences as regular strings. Use \n for explicit newlines, \t for tabs. String.formatted() or formatted() works the same as String.format().

Text blocks are ideal for: SQL queries, JSON/XML literals, HTML templates, and any multi-line string content.

// Old way
String html = "<html>
" +
              "  <body>Hello</body>
" +
              "</html>";

// Text block
String html = """
        <html>
          <body>Hello</body>
        </html>
        """;

// With formatting
String json = """
        { "name": "%s", "age": %d }
        """.formatted(name, age);

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