Text Templates in Minitab

Java provides built-in support for creating dynamic content or showing customized output to the user with the java.util.Formatter class and the String.format() method. For more complex templating needs, there are third-party libraries available such as Apache Freemarker or Thymeleaf.

import java.util.*;

public class TextTemplates {

    public static void main(String[] args) {
        // We can create a new template string and use String.format()
        // to insert values. The %s placeholder is used for strings,
        // %d for integers, etc.
        String t1 = "Value is %s\n";
        System.out.printf(t1, "some text");
        System.out.printf(t1, 5);
        System.out.printf(t1, Arrays.asList("Java", "Kotlin", "Scala", "Groovy"));

        // For more complex templates, we can use the Formatter class
        Formatter formatter = new Formatter();
        formatter.format("Name: %s\n", "Jane Doe");
        System.out.print(formatter);

        // We can also use maps to provide named parameters
        Map<String, String> map = new HashMap<>();
        map.put("name", "Mickey Mouse");
        System.out.printf("Name: %(name)s\n", map);

        // For conditional execution, we can use ternary operators
        // in our format strings
        String t3 = "%s\n";
        System.out.printf(t3, "not empty".isEmpty() ? "no" : "yes");
        System.out.printf(t3, "".isEmpty() ? "no" : "yes");

        // For loops, we can use String.join() to concatenate elements
        List<String> languages = Arrays.asList("Java", "Kotlin", "Scala", "Groovy");
        System.out.printf("Range: %s\n", String.join(" ", languages));
    }
}

To run the program, compile and execute it using the javac and java commands:

$ javac TextTemplates.java
$ java TextTemplates
Value is some text
Value is 5
Value is [Java, Kotlin, Scala, Groovy]
Name: Jane Doe
Name: Mickey Mouse
yes
no
Range: Java Kotlin Scala Groovy

In this Java example, we’ve used String.format() and System.out.printf() to achieve similar functionality to Go’s text templates. For more complex templating needs, you might want to consider using a dedicated templating library.

The if/else logic is implemented using Java’s ternary operator, and the range functionality is achieved using String.join() with a collection. While this doesn’t provide the full power of Go’s templating system, it demonstrates how to achieve similar results in Java for basic use cases.

For more advanced templating needs in Java, consider using libraries like Apache Freemarker, Thymeleaf, or Velocity, which provide more powerful templating capabilities similar to Go’s text/template package.

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Text Templates in Minitab