Replace getFirst() with get(0) to fix incompatibility with JDK 17 in piecing-it-together

zamora-carlos · zamora-carlos · commit bdd7ba9d3698 · 2025-06-25T13:57:34.000-06:00
diff --git a/exercises/practice/piecing-it-together/.meta/src/reference/java/PiecingItTogether.java b/exercises/practice/piecing-it-together/.meta/src/reference/java/PiecingItTogether.java
@@ -41,7 +41,7 @@ public static JigsawInfo getCompleteInformation(JigsawInfo input) {
         }
 
         if (validGuesses.size() == 1) {
-            return validGuesses.getFirst();
+            return validGuesses.get(0);
         } else if (validGuesses.size() > 1) {
             throw new IllegalArgumentException("Insufficient data");
         } else {

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ public static JigsawInfo getCompleteInformation(JigsawInfo input) {`
`41`	`41`	`}`
`42`	`42`
`43`	`43`	`if (validGuesses.size() == 1) {`
`44`		`- return validGuesses.getFirst();`
	`44`	`+ return validGuesses.get(0);`
`45`	`45`	`} else if (validGuesses.size() > 1) {`
`46`	`46`	`throw new IllegalArgumentException("Insufficient data");`
`47`	`47`	`} else {`