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Diffstat (limited to 'usage_examples/experimental/ExtensionMethodExample_post.jpage')
-rw-r--r-- | usage_examples/experimental/ExtensionMethodExample_post.jpage | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/usage_examples/experimental/ExtensionMethodExample_post.jpage b/usage_examples/experimental/ExtensionMethodExample_post.jpage new file mode 100644 index 00000000..72a838bd --- /dev/null +++ b/usage_examples/experimental/ExtensionMethodExample_post.jpage @@ -0,0 +1,20 @@ +public class ExtensionMethodExample { + public String test() { + int[] intArray = {5, 3, 8, 2}; + java.util.Arrays.sort(intArray); + + String iAmNull = null; + return Extensions.or(iAmNull, Extensions.toTitleCase("hELlO, WORlD!")); + } +} + +class Extensions { + public static <T> T or(T obj, T ifNull) { + return obj != null ? obj : ifNull; + } + + public static String toTitleCase(String in) { + if (in.isEmpty()) return in; + return "" + Character.toTitleCase(in.charAt(0)) + in.substring(1).toLowerCase(); + } +} |