BAEL-3215: Use try-with-resource in FileReader demo (eugenp#7732)

tapankavasthi · maibin · commit 1fc511ba7aef · 2019-09-06T12:13:24.000-07:00
- To simplify the demo, change is required in the unit-tests
 that currently uses close() method instead of try-with-resource
diff --git a/core-java-modules/core-java-io-2/src/test/java/com/baeldung/filereader/FileReaderExampleUnitTest.java b/core-java-modules/core-java-io-2/src/test/java/com/baeldung/filereader/FileReaderExampleUnitTest.java
@@ -17,31 +17,19 @@ public class FileReaderExampleUnitTest {
     public void givenFileReader_whenReadAllCharacters_thenReturnsContent() throws IOException {
         String expectedText = "Hello, World!";
         File file = new File(FILE_PATH);
-        FileReader fileReader = null;
-        try {
-            fileReader = new FileReader(file);
+        try (FileReader fileReader = new FileReader(file)) {
             String content = FileReaderExample.readAllCharactersOneByOne(fileReader);
             Assert.assertEquals(expectedText, content);
-        } finally {
-            if (fileReader != null) {
-                fileReader.close();
-            }
         }
     }
 
     @Test
     public void givenFileReader_whenReadMultipleCharacters_thenReturnsContent() throws IOException {
         String expectedText = "Hello";
         File file = new File(FILE_PATH);
-        FileReader fileReader = null;
-        try {
-            fileReader = new FileReader(file);
+        try (FileReader fileReader = new FileReader(file)) {
             String content = FileReaderExample.readMultipleCharacters(fileReader, 5);
             Assert.assertEquals(expectedText, content);
-        } finally {
-            if (fileReader != null) {
-                fileReader.close();
-            }
         }
     }
 
