diff --git a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamTest.java b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamTest.java
index 7aca698446..b238067654 100644
--- a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamTest.java
+++ b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamTest.java
@@ -13,46 +13,31 @@ import java.util.List;
 import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
-
 public class InputStreamTest {
-
     @Test
     public void givenAString_whenWrittenToFileInputStream_thenShouldMatchWhenRead(@TempDir Path tempDir) throws IOException {
-
         Path sampleOut = tempDir.resolve("sample-out.txt");
         List<String> lines = Arrays.asList("Hello. This is just a test. Good bye.");
         Files.write(sampleOut, lines);
         File sampleOutFile = sampleOut.toFile();
-        try(InputStream inputStream = new FileInputStream(sampleOutFile)){
+        try (InputStream inputStream = new FileInputStream(sampleOutFile)) {
             Assert.assertTrue(readString(inputStream).contains(lines.get(0)));
         }
     }
-
     @Test
     public void givenAString_whenWrittenToByteArrayInputStream_thenShouldMatchWhenRead() throws IOException {
-        byte[] byteArray = {104, 101, 108, 108,111};
-        try(ByteArrayInputStream bais = new ByteArrayInputStream(byteArray)){
-            int content;
-            StringBuilder actualReadText = new StringBuilder();
-            while ((content = bais.read()) != -1) {
-                actualReadText.append((char) content);
-            }
-            Assert.assertEquals( "hello",actualReadText.toString());
+        byte[] byteArray = { 104, 101, 108, 108, 111 };
+        try (ByteArrayInputStream bais = new ByteArrayInputStream(byteArray)) {
+            String expected = readString(bais);
+            Assert.assertEquals("hello", expected);
         }
-
     }
-
     private static String readString(InputStream inputStream) throws IOException {
-        String strRet = "";
         int c;
         StringBuilder sb = new StringBuilder();
-        while(!((c = inputStream.read()) != -1)) {
+        while ((c = inputStream.read()) != -1) {
             sb.append((char) c);
         }
-        strRet = sb.toString();
-
-        return  strRet;
+        return sb.toString();
     }
-
-
 }
diff --git a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstreamreader/InputStreamReaderTest.java b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstreamreader/InputStreamReaderTest.java
index 7009297c86..d14a96c9a0 100644
--- a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstreamreader/InputStreamReaderTest.java
+++ b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstreamreader/InputStreamReaderTest.java
@@ -13,9 +13,7 @@ import java.util.List;
 import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
-
 public class InputStreamReaderTest {
-
     @Test
     public void givenAStringWrittenToAFile_whenReadByInputStreamReader_thenShouldMatchWhenRead(@TempDir Path tempDir) throws IOException {
         boolean isMatched = false;
@@ -24,11 +22,10 @@ public class InputStreamReaderTest {
         List<String> lines = Arrays.asList(sampleTxt);
         //create and write file
         Files.write(sampleOut, lines);
-        try(FileInputStream fis = new FileInputStream(String.valueOf(sampleOut.toAbsolutePath()));
-            BufferedReader br = new BufferedReader(new InputStreamReader(fis, StandardCharsets.UTF_8));){
+        try (FileInputStream fis = new FileInputStream(String.valueOf(sampleOut.toAbsolutePath())); BufferedReader br = new BufferedReader(new InputStreamReader(fis, StandardCharsets.UTF_8))) {
             String ln;
-            while((ln = br.readLine())!= null){
-                if(ln.contains(sampleTxt)){
+            while ((ln = br.readLine()) != null) {
+                if (ln.contains(sampleTxt)) {
                     isMatched = true;
                     break;
                 }
@@ -36,5 +33,4 @@ public class InputStreamReaderTest {
             Assert.assertTrue(isMatched);
         }
     }
-
 }