class SoftwareDeveloper {
  name: string;
  role: string;
  languageSpoken: string[];

  constructor() {
    this.name = 'Peng Anping';
    this.role = 'Software Developer';
    this.languageSpoken = ['zh_CN', 'en_US'];
  }

  sayHi(): void {
    console.log('Thanks for visiting! Explore my work and feel free to share your thoughts.');
  }
}

const me = new SoftwareDeveloper();
me.sayHi();