implement showing saved password when the option show credential was selected

src/main/java/Vault.java

@@ -118,14 +118,19 @@ public class Vault implements VaultInterface {
         println("Type in ID or username");
 
         String str = scan.nextLine();
+        Credential credential = null;
 
         if(str.matches("[0-9]+")) {
             println("Getting credential via ID");
-            credentialRepository.getCredentialsViaId(Integer.parseInt(str));
+            credential = credentialRepository.getCredentialsViaId(Integer.parseInt(str));
         } else {
 
             println("Getting credential via name");
-            credentialRepository.getCredentialsViaName(str);
+            credential = credentialRepository.getCredentialsViaName(str);
+        }
+
+        if (credential != null) {
+            println(credential.getName() + ": " + credential.getPassword());
         }
     }
 

src/test/java/VaultTest.java

@@ -84,6 +84,8 @@ public class VaultTest {
 
    @Test
     void showCredentialTest() {
+        addCredentialTest();
+
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
         vlt.outputS = outputStream;
         vlt.inputS = new ByteArrayInputStream("1".getBytes(StandardCharsets.UTF_8));
@@ -94,7 +96,8 @@ public class VaultTest {
         vlt.inputS = new ByteArrayInputStream("peter".getBytes(StandardCharsets.UTF_8));
         vlt.credentialMenu();
 
-       assertTrue(outputStream.toString().contains("name"));
+        assertTrue(outputStream.toString().contains("name"));
+        assertTrue(outputStream.toString().contains("peter: " + vlt.password));
     }
 
     @Test