摘要：publicclassRandom{/****@paramnum数组*@paramsize所求数值范围的最大值*@returnarray数组*/publicstaticint[]initRandom(intnum,intsize){int[]array=newint[num];for(inti=0;i<array.length;i++){inta=(int)(Math.random()*size);array[i]=a;System.out.println(array[i]);}returnarray;}/****@parama数组*@returnmax最大值*/publicstatic 阅读全文

摘要：import java.util.Scanner;public class Address { String name; String city; String email;//构造函数public Address(String Myname,String Mycity,String Myemail) { name=Myname; city=Mycity; email=Myemail; }//toString()方法就是把对象转换成String类型public String toString(){ return name+" "+city+" "+ema 阅读全文

摘要：import java.util.Scanner;public class RectangleArea { private double width; private double height; //构造函数 public RectangleArea(double w,double h) { this.width=w; this.height=h; } //内部类 public class AreaTester{ public double area() { return width*height; } } public String toString() { return width+&q 阅读全文