MSAL4j public

gistfile1.txt

PublicClientApplication app = PublicClientApplication.builder("YOUR_CLIENT_ID")
    .authority("https://login.microsoftonline.com/YOUR_TENANT_ID")
    .build();
    
    RefreshTokenParameters parameters = RefreshTokenParameters.builder(
    Collections.singleton("YOUR_SCOPE"),
    "YOUR_REFRESH_TOKEN")
    .build();

Future<IAuthenticationResult> future = app.acquireToken(parameters);
IAuthenticationResult result = future.get();

String newAccessToken = result.accessToken();
System.out.println("New Access Token: " + newAccessToken);