3-8作业中输出语句问题

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

package com.imcoo.demo;
/***
 * 创建 部门类
 * @author Administrator
 *   描述部门编号、部门名称、获取所有该部门员工信息
 *   统计该部门员工个数
 */
public class Department {
     //成员属性：部门编号、部门名称丶该部门的员工信息
     private String departmentnumb;
     private String departmentname;
     private staff[] mystaff;
     private int staffNumber1;
     private int staffNumber2;
      
     //无参构造
    public Department() {
         
    }
 
    public Department(String departmentname) {
             
        this.setDepartmentname(departmentname);
         
    }
     
     
    // 带参构造，对全部属性就行赋值；
     
    public Department(String departmentname ,staff[] mystaff) {
             
        this.setDepartmentname(departmentname);
        this.setMystaff(mystaff);
    }
     
     
    public String getDepartmentnumb() {
        return departmentnumb;
    }
    public void setDepartmentnumb(String departmentnumb) {
        this.departmentnumb = departmentnumb;
    }
    public String getDepartmentname() {
        return departmentname;
    }
    public void setDepartmentname(String departmentname) {
        this.departmentname = departmentname;
    }
    /**
     * 获取员工信息  ， 如果保存员工信息的数组未被初始化，先进行初始化长度为100；
     * @return 保存了员工信息的数组
     */
    public staff[] getMystaff() {
        if(this.mystaff==null)
            this.mystaff=new staff[100];
        return mystaff;
    }
    public void setMystaff(staff[] mystaff) {
        this.mystaff = mystaff;
    }
      
 
    public int getStaffNumber1() {
        return staffNumber1;
    }
 
    public void setStaffNumber1(int staffNumber1) {
        this.staffNumber1 = staffNumber1;
    }
 
    public int getStaffNumber2() {
        return staffNumber2;
    }
 
    public void setStaffNumber2(int staffNumber2) {
        this.staffNumber2 = staffNumber2;
    }
 
    public void  addstaff(staff sta) {
         
        /**
         * 1丶 将员工保存到数组中；
         * 2丶将人事部员工个数保存到staffNumber1
         * 3丶将市场部员工个数保存到staffNumber2
         */
         
         for(int i=0;i<this.getMystaff().length;i++) {
             if(this.getMystaff()[i]==null) {
             this.getMystaff()[i]=sta;                        
                 this.staffNumber1++;
                 this.staffNumber2++;
                 break;
             }
                 
             
              
              
              
     }
 
          
          
     }  
     
     
}
 
 
 
 
 
 
package com.imcoo.demo;
/**
 * 职务类 
 * @author Administrator
 *
 */
 
public class Job {
 
    //成员属性：职务名称；
   private   String  jobname;
    
        //无参构造
   public Job() {
         
         
    }
    
   // 带参构造
public Job(String jobname) {
     
    this.setJobname(jobname);
}
 
public String getJobname() {
    return jobname;
}
 
public void setJobname(String jobname) {
    this.jobname = jobname;
}
 
 
     
}
 
 
 
 
 
 
 
 
package com.imcoo.demo;
/**
 * 员工类 
 * @author 
 *
 */
public class staff 
{     
     
    //员工属性：员工姓名 , 工号，年龄，性别，所属部门，职务信息。
    private String staffname;
     
    private String  staffnumber;
     
    private  int  staffage;
     
    private String staffsex;
    private Department staffDepartment;   //新增对象属性：部门    ------>（把部门看成是员工具有的属性即为 ：员工的部门）
   private  Job  staffJob;  //新增对象属性：职务---------> （把职务看成是员工的属性即为：员工的职务）
    
    
   //无参构造
    public staff() {
         
    }
     
     
    // 创建带参构造，对其员工所有属性就行赋值；
 
    public staff(String staffname, String staffnumber, String staffsex,int staffage,Department staffDepartment,Job  staffJob) 
    {
       
       this.setStaffname(staffname);
       this.setStaffnumber(staffnumber);
       this.setStaffsex(staffsex);
       this.setStaffage(staffage);
       this.setStaffDepartment(staffDepartment);
       this.setStaffJob(staffJob);
         
    }
 
    public String getStaffname() {
        return staffname;
    }
 
    public void setStaffname(String staffname) {
        this.staffname = staffname;
    }
 
    public String getStaffnumber() {
        return staffnumber;
    }
 
    public void setStaffnumber(String staffnumber) {
        this.staffnumber = staffnumber;
    }
 
    public int getStaffage() {
        return staffage;
    }
 
    /**
     *  给员工年龄赋值，限制为18--65岁之间，否则强制赋值为18岁；
     * @param staffage
     */
    public void setStaffage(int staffage) {
         
        if(staffage<18||staffage>65)
        {
            this.staffage=18;
        }
         
        else
             this.staffage = staffage;
    }
 
    public String getStaffsex() {
         
         
        return staffsex;
    }
 
     
    /**
     * 限制员工性别为 男或者女，否则强制赋值为男；
     * @param staffsex
     */
    public void setStaffsex(String staffsex) {
         
        if(staffsex.equals("男")||staffsex.equals("女"))
            {this.staffsex = staffsex;}
        else 
            this.staffsex="男";
         
    }
     
    public Job getStaffJob() {
        if(this.staffJob==null) {
            this.staffJob=new Job();   
             
        }
        return staffJob;
    }
 
    public void setStaffJob(Job staffJob) {
        this.staffJob = staffJob;
    }
     
     
 
    /**
     * 获取部门对象，如果没有实例化，先进行实例化后再返回；
     * @return 员工的部门对象信息；
     */
    public Department getStaffDepartment() {
         
        if(this.staffDepartment==null)
            this.staffDepartment=new  Department();
        return staffDepartment;
    }
 
     
     
     
    public void setStaffDepartment(Department staffDepartment) {
        this.staffDepartment = staffDepartment;
    }
 
     
 
    /**
     * 创建员工介绍的方法
     * @return 员工介绍的信息，包括： 姓名，工号，性别，年龄，职务；
     */
     
     
 
     
    public String Play() {
         
         
        String str= "员工信息如下：\n姓名："+ this.getStaffname()+"\n工号："+this.getStaffnumber()+"\n性别："+this.getStaffsex()+"\n年龄："+this.getStaffage()+"\n职务："+this.getStaffDepartment().getDepartmentname()+this.getStaffJob().getJobname();
         
        return str ;
    }
     
     
     
 
}
 
 
 
 
 
 
 
 
 
package com.imcoo.test;
import com.imcoo.demo.Department;
import com.imcoo.demo.Job;
import com.imcoo.demo.staff;
public class TestDemo {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Department  dep1=new Department("人事部");
        Job job1=new Job("经理");
        staff sta1= new staff("张铭","S001","男",29,dep1,job1);
         
        System.out.println(sta1.Play());
        System.out.println("====================================");
         
     
        Job job2=new Job("助理");
        staff sta2= new staff("李艾爱","S002","女",21,dep1,job1);
        System.out.println(sta2.Play());
        System.out.println("====================================");
         
        Job job3=new Job("职员");
        staff sta3= new staff("孙超","S004","男",29,dep1,job3);
        System.out.println(sta3.Play());
        System.out.println("====================================");
        Department  dep2=new Department("市场部");      
        staff sta4= new staff("张美美","S005","女",26,dep2,job3);
        System.out.println(sta4.Play());
        System.out.println("====================================");
        staff sta5= new staff("张蓝迪","S006","男",37,dep2,job1);
        System.out.println(sta5.Play());    
        staff sta6= new staff("米莉","S007","女",24,dep2,job3);
        System.out.println(sta6.Play());
        System.out.println("====================================");
         
        dep1.addstaff(sta1);
        dep1.addstaff(sta2);
        dep1.addstaff(sta3);
        dep2.addstaff(sta4);
        dep2.addstaff(sta5);
        dep2.addstaff(sta6);
         
         
        System.out.println(dep1.getDepartmentname()+"总共有"+dep1.getStaffNumber1()+"名员工");
        System.out.println(dep2.getDepartmentname()+"总共有"+dep2.getStaffNumber2()+"名员工");
    }
 
}

<br>

猪哥哥呀 2017-09-27

源自：Java封装综合案例 3-7 问题解析--通过一个方法完成学生和专业的双向关联

收起

2回答

好帮手慕雪回答被采纳获得+3积分 2017-09-27 17:32:42

把staffNumber1和staffNumber2都去掉，只放一下staffNumber。90行那里只是staffNumber++。主方法改成System.out.println(dep1.getDepartmentname()+"总共有"+dep1.getStaffNumber()+"名员工");

System.out.println(dep2.getDepartmentname()+"总共有"+dep2.getStaffNumber()+"名员工");

收起回答