Read a file character by character/UTF8: Difference between revisions

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 =={{header|Java}}==
-<syntaxhighlight lang="java">
+<syntaxhighlight>
-import static java.nio.charset.StandardCharsets.UTF_8;
 import java.io.FileReader;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+public final class ReadFileByCharacter {
+	public static void main(String[] aArgs) {
+		String path = "C:/Users/psnow/Desktop/testFile.txt";
+		try ( FileReader fileReader = new FileReader(path, StandardCharsets.UTF_8) ) {
+			int value;
+			while ( ( value = fileReader.read() ) != END_OF_STREAM ) {
+				System.out.println((char) value);
+			}
+		} catch (IOException ioe) {
+			ioe.printStackTrace();
+		}
+	}
+	private static final int END_OF_STREAM = -1;
-public class FileUtil {
-    FileReader reader;
-    /** cast the returned value to 'char' */
-    int next() throws IOException {
-        int value;
-        try {
-            /* 'read' will return 0 through 0xffff, and -1 for EOS */
-            value = reader.read();
-        } catch (IOException exception) {
-            reader.close();
-            throw exception;
-        }
-        return value;
-    }
-    void open(String path) throws IOException {
-        reader = new FileReader(path, UTF_8);
-    }
-    void close() throws IOException {
-        reader.close();
-    }
 }
 </syntaxhighlight>
+{{ out }}
+<pre>
+R
+o
+s
+e
+t
+t
+a
+</pre>
 =={{header|jq}}==