How to modify SUICheckBox image type by script using Java
When SUICheckBox is unchecked
In your Java class, do the following:
public class YourClass extends Component {
    
    // creates a new SImageType
    public SImageType type; // select in properties
    
    // creates a new SUICheckBox, @AutoWired seleciona o componente desde objeto
    @AutoWired
    private SUICheckBox checkBox;
    @Override
    public void start() {
        
    }
    @Override
    public void repeat() {
        
        // changes the SUICheckBox type
        checkBox.setUncheckedImageType(type);
    }
}
When SUICheckBox is checked
In your Java class, do the following:
public class YourClass extends Component {
    
    // creates a new SImageType
    public SImageType type; // select in properties
    
    // creates a new SUICheckBox, @AutoWired selects the component from this object
    @AutoWired
    private SUICheckBox checkBox;
    
    public void start() {
        
    }
    
    public void repeat() {
        
        // changes the SUICheckBox type
        checkBox.setCheckedImageType(type);
    }
}