4.10. Java API ドキュメントのコードスニペット

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet :
 * if (v.isPresent()) {
 * 	System.out.println("v: " + v.get()); // @highlight substring="println"
 * }
 * }
 */

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet :
 * if (v.isPresent()) {
 * 	System.out.println("v: " + v.get()); // @highlight substring="println"
 * }
 * }
 */

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet :
 * if (v.isPresent()) {
 * 	System.out.println("v: " + v.get()); // @highlight substring="println"
 * }
 * }
 */

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet :
 * if (v.isPresent()) {
 * 	System.out.println("v: " + v.get()); // @highlight substring="println"
 * }
 * }
 */

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet file="ShowOptional.java" region="example"}
 */

/**
 * The following code shows how to use {@code Optional.isPresent}:
 * {@snippet file="ShowOptional.java" region="example"}
 */

public class ShowOptional {
	void show(Optional<String> v) {
    	// @start region="example"
    	if (v.isPresent()) {
        	System.out.println("v: " + v.get());
    	}
    	// @end
	}
}

public class ShowOptional {
	void show(Optional<String> v) {
    	// @start region="example"
    	if (v.isPresent()) {
        	System.out.println("v: " + v.get());
    	}
    	// @end
	}
}