public class people {
String peopleName;
int peopleNum; public people() {//构造方法1
peopleName=" zouruixin";
peopleNum = 23;
}
public people(String peopleName1,int peopleNum1){//构造方法2
peopleName=peopleName1;
peopleNum=peopleNum1;
}
如何通过一种方法同时调用两种构造方法啊
String peopleName;
int peopleNum; public people() {//构造方法1
peopleName=" zouruixin";
peopleNum = 23;
}
public people(String peopleName1,int peopleNum1){//构造方法2
peopleName=peopleName1;
peopleNum=peopleNum1;
}
如何通过一种方法同时调用两种构造方法啊
String peopleName;
int peopleNum;
String peopleName1="";
int peopleNum1; public people() {//构造方法1
peopleName=" zouruixin";
peopleNum = 23;
}
public people(String peopleName1,int peopleNum1){//构造方法2
peopleName=peopleName1;
peopleNum=peopleNum1;
}
public void setPeopleName1(String peopleName1)
{
this.peopleName1=peopleName1;
}
public void setPeopleNum1(int peopleNum1)
{
this.peopleNum1=peopleNum1;
}
//可通过此方法方法实现
public void myPeople()
{
people() ;
people(this.peopleName1,this.peopleNum1)
}
}不过lz为什么要这样做,很不好的说
String peopleName;
int peopleNum;public people() {//构造方法1
peopleName=" zouruixin";
peopleNum = 23;
}
public people(String peopleName1,int peopleNum1){//构造方法2
this();
peopleName=peopleName1;
peopleNum=peopleNum1;
}
}
这样调用第二个方法时就也调用第一个了
另外,如何给分数啊?
如果super()就是调用父类构造。this();
super();
都可以根据实际情况带参数(调用不同的构造)。但必须是在构造里,而且必须是第一条语句。
并且只能调用一次,而且必须是在第一行,
下面这个例子应该能说明一点.
public class People {
String peopleName;
int peopleNum; public People() {//构造方法1
peopleName="zouruixin";
peopleNum = 23;
}
public People(String peopleName1,int peopleNum1){//构造方法2
this();//在这里用默认的构造器(也可以不是默认的)对数据进行了初始化.
System.out.println(peopleName);
System.out.println(peopleNum);
//下面的是这个构造器里的内容,它的操作覆盖了第一次的操作.
peopleName=peopleName1;
peopleNum=peopleNum1;
System.out.println(peopleName);
System.out.println(peopleNum);
}
public static void main(String[] args){
People p = new People("ssss",33);
}
}