摘要:
package objectNextPart; public class Triang extends Shape { //继承形状父类 // 定义三角形的三边 private double a, b, c; public Triang(String color, double a, double 阅读全文
摘要:
package objectNextPart; public class Final { Final(String a) { } public static void main(String[] args) { Final f1 = new Final("hello"); Final f2 = ne 阅读全文
摘要:
package objectNextPart; import java.util.ArrayList;import java.util.List; public class ArrayList1 { public String add(String e) { List<String> list = 阅读全文