for (int i = 0; i < count; i++) {
if (stu[i].getSid() == queryid) {
hasquery = true;
queryindex = i;
break;
}
}
if (hasquery) {
System.out.println("学号\t姓名\t年龄");
System.out.println(stu[queryindex]);
} else {
// 3.没找到给用户相应的提示
System.out.println("对不起没有找到您输入的学生信息，请核对后再次输入");
}
break;
case 5:
System.out.println("显示所有学生信息");
System.out.println("学号\t姓名\t年龄");
for (int i = 0; i < count; i++) {
System.out.println(stu[i]);
}
break;
case 6:
System.exit(0);// 终止应用程序
break;
default:
System.out.println("对不起，您选择的操作不存在，请看清楚谢谢！！！");
}
}
//属性 方法
package com.ha;
public class Student {
private int sid;
private String sname;
private int age;
public int getSid() {
return sid;
}
public void setSid(int sid) {
this.sid = sid;
}
public String getSname() {
return sname;
}
public void setSname(String sname) {
this.sname = sname;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String toString(){
return sid + "\t" + sname + "\t" + age;
}
}
摘自 C# .net java jsp SQL 专栏