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public class MyTest{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); System.out.println("请输入第一个整数："); Integer scOne = sc.nextInt(); System.out.println("请输入第二个整数："); Integer scTwo = sc.nextInt(); String oneStr =

//利用HashSet不能存储重复元素的特性public class MyTest{ public static void main(String[] args){ Set<Integer> numSet = new HashSet<>(); Set<String> strSet = new HashSet<>(); while(true){ numSet.clear(); while(true){ //随机生成0-9中的一

public class MyTest{ public static void main(String[] args){ FileInputStream fis = new FileInputStream("D:\\11.txt"); int len = 0; while((len = fis.read()) != -1){ if(len >=48 && len <= 57){ System.out.print((char) len); }

package com.kiki.demo;import java.util.Arrays;/** * @author kiki * @version 1.0 * @create 2020/7/8 19:52 */public class DeduplicationChar { public static void main(String[] args) { char[] charArr = {'a','b','c','a','d','e','b'};

二分查找import java.util.Arrays;/** * @author kiki * @version 1.0 * @create 2020/7/7 21:42 */public class ErFenSearch { public static void main(String[] args) { int[] arr={12,45,78,98,40,4,15,8,17,89,56,10}; System.out.println("===.

冒泡排序https://blog.youkuaiyun.com/wq_1995/article/details/81937926import java.util.Arrays;/** * @author kiki * @version 1.0 * @create 2020/7/7 21:11 */public class MaoPaoSort { public static void main(String[] args) { //1、定义一个数组 int[.