java public class Person { private String name; private int age; // 构造方法示例 public Person(String name, int age) { this.name = name; this.age = age; } } 4. 展示如何在Java类中重写toString方法 重写toString方法时,通常使用@Override注解(可选)来表明该方法重写了父类中的方法。 java pub...
push(item); //如item为null,则不入栈直接返回null。 pop(); //出栈,如为栈为空,则返回null。 peek(); //获得栈顶元素,如为空,则返回null. public boolean empty();//如为空返回true public int size(); //返回栈中元素数量 2.定义GeneralStack的实现类ArrayListGeneralStack 内部使用ArrayList对象存储,...
7-3 jmu-Java-04面向对象进阶–02-接口-Comparator (15 分) Arrays.sort可以对所有实现Comparable的对象进行排序。但如果有多种排序需求,如有时候需对name进行降序排序,有时候只需要对年龄进行排序。使用Comparable无法满足这样的需求。可以编写不同的Comparator来满足多样的排序需求。 1.编写PersonSortable2类 属性:pri...
7-17 jmu-java-01入门-基本输入 (10 分) 7-17 jmu-java-01入门-基本输入 (10 分) 对输入的若干行(每行以空格或者多个空格)数字字符串求和并输出。 输入格式: 每行包含两个数字字符串,中间以一个或者多个空格分隔。 输出格式: 输出两个数的和 输入样例: 1 1 2 3 -100 100 -100 -100 10 0 1. ...
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7-30 jmu-Java&Python-统计一段文字中的单词个数并按单词的字母顺序排序后输出 (25 分) 现需要统计若干段文字(英文)中的不同单词数量。 如果不同的单词数量不超过10个,则将所有单词输出(按字母顺序),否则输出前10个单词。 注1:单词之间以空格(1个或多个空格)为间隔。
import java.util.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int m = cin.nextInt(); cin.nextLine(); String str = cin.nextLine(); String []str_t = str.split(","); ...
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自用的 PT (private tracker) 全自动刷流、辅种、辅助工具. Contribute to sagan/ptool development by creating an account on GitHub.