Code samples of Java

core-java-modules/core-java-string-conversions-4/EBCDIC_to_ASCII/ASCII_EBCDIC_Example.java

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+import java.nio.charset.Charset; 
+
+class Main {
+    public static void main(String[] args) {
+        // Example: EBCDIC bytes for "ABC" (in Cp037)
+        byte[] ebcdicBytes = new byte[] { (byte)0xC1, (byte)0xC2, (byte)0xC3 };
+
+        // Convert to String using EBCDIC Cp037 charset
+        String text = new String(ebcdicBytes, Charset.forName("Cp037"));
+        System.out.println(text);
+    }
+}

core-java-modules/core-java-string-conversions-4/EBCDIC_to_ASCII/Alternative_approach.java

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+import java.io.*;
+import java.nio.charset.*;
+
+public class EbcdicStreamConverter {
+
+    public static void main(String[] args) {
+        try (
+            InputStreamReader reader = new InputStreamReader(
+                new FileInputStream("input.ebc"), 
+                Charset.forName("Cp037")
+            );
+            OutputStreamWriter writer = new OutputStreamWriter(
+                new FileOutputStream("output.txt"), 
+                StandardCharsets.US_ASCII
+            )
+        ) {
+            char[] buffer = new char[1024];
+            int length;
+
+            while ((length = reader.read(buffer)) != -1) {
+                writer.write(buffer, 0, length);
+            }
+
+            System.out.println("Conversion complete! See output.txt");
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

core-java-modules/core-java-string-conversions-4/EBCDIC_to_ASCII/practical_example.java

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+import java.io.*;
+import java.nio.charset.*;
+
+public class EbcdicToAsciiExample {
+
+    public static void main(String[] args) throws Exception {
+        // Step 1: Read raw EBCDIC bytes from file
+        FileInputStream fis = new FileInputStream("input.ebc");
+        byte[] ebcdicData = fis.readAllBytes();
+        fis.close();
+
+        // Step 2: Decode EBCDIC bytes to Unicode string
+        String unicodeText = new String(ebcdicData, Charset.forName("Cp037"));
+
+        // Step 3: Encode Unicode string to ASCII bytes
+        byte[] asciiData = unicodeText.getBytes(StandardCharsets.US_ASCII);
+
+        // Step 4: Print final ASCII string
+        System.out.println(new String(asciiData, StandardCharsets.US_ASCII));
+    }
+}

core-java-modules/core-java-string-conversions-4/EBCDIC_to_ASCII/step_by_step_conversion.java

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+import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; 
+class Main 
+{ 
+    public static void main(String[] args) { 
+    // Step 0: Example EBCDIC bytes ("HELLO" in Cp037) 
+        byte[] ebcdicData = { (byte)0xC8, (byte)0x85, (byte)0x93, (byte)0x93, (byte)0x96 }; 
+        // Step 1: Decode from EBCDIC (Cp037) to Unicode string 
+        String unicodeText = new String(ebcdicData, Charset.forName("Cp037")); 
+        // Step 2: Encode from Unicode string to ASCII bytes 
+        byte[] asciiData = unicodeText.getBytes(StandardCharsets.US_ASCII); 
+        // Step 3: Print final ASCII string 
+        System.out.println(new String(asciiData, StandardCharsets.US_ASCII)); 
+    }
+
+}