Intent setClass and setComponent

public Intent setClass(Context packageContext, Class<?> cls) {
    mComponent = new ComponentName(packageContext, cls);
    return this;
}




public Intent setComponent(ComponentName component) {
    mComponent = component;
    return this;
}


public Intent setClassName(String packageName, String className) {
    mComponent = new ComponentName(packageName, className);
    return this;
}


same!!