摘要：package 文件操作; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.PrintStream; import java.util.Scanner; public class Fi... 阅读全文

摘要：1 package T0408; 2 3 public class Dad { 4 String name; 5 int age; 6 public Dad(String name,int age){//有参构造函数 7 this.name = name; 8 this.age = age; 9 } 1... 阅读全文