Java - a generic Java class instantiation example

public class CommandFactory {
    public static <T extends Command<R>, R extends CommandResult> T createCommand(Class<T> classObject, Object... params) {
        try {
            T newInstance = classObject.newInstance();
            if (newInstance.initialize(params)) {
                return newInstance;
            }
        } catch (Exception e) {
        }
        assert false;
        return null;
    }
}
public class TestCommandResult extends CommandResult {
}
public class TestCommand extends Command<TestCommandResult> {
    private int index;
    public TestCommand() {
    }
    public bool initialize(int idx) {
        this.index = idx;
    }
}
TestCommand testCmd = CommandFactory.<TestCommand, TestCommandResult>createCommand(TestCommand.class, 1);