# serialver > Returns the serialVersionUID of classes. > It does not set a security manager by default. > More information: . - Display the serialVersionUID of a class: `serialver {{classnames}}` - Display the serialVersionUID for a colon-separated list of classes and resources: `serialver -classpath {{path/to/directory}} {{classname1:classname2:...}}` - Use a specific option from reference page of Java application launcher to the Java Virtual Machine: `serialver -Joption {{classnames}}`