随笔分类 -  Java基础

摘要:选择排序 package doudou; import java.util.SortedSet; public class test_xuanze { public static void main(String[] args) { // StringBuffer sb= new StringBuf 阅读全文
posted @ 2020-08-14 22:50 eosclover 阅读(186) 评论(0) 推荐(0)
摘要:冒泡排序: package doudou; public class test_maopao { public static void main(String[] args) { int[] before = { 10, 24, 34, 9, 15, 6, 55 }; System.out.prin 阅读全文
posted @ 2020-08-13 22:29 eosclover 阅读(593) 评论(0) 推荐(0)
摘要:单个字符相比较,实际上比较的是ASCII值 chs[i] >= 'A' && chs[i] <= 'Z' 大写字母范围 chs[i] >= 'a' && chs[i] <= 'z' 小写字母范围 package doudou; public class test_Count_String { pub 阅读全文
posted @ 2020-08-11 23:10 eosclover
摘要:在字符串a(长串)中查找字符串b(短串)出现的次数 package doudou; public class test_indexOf_0810 { public static void main(String[] args) { String a = "aaaaabcbcbvbbbbbvbvbvb 阅读全文
posted @ 2020-08-10 22:20 eosclover 阅读(1818) 评论(0) 推荐(0)
摘要:方法一: 字符串反转-利用交换的方式 package com.clover.demo; import java.util.Arrays; public class Test_StringReverse_0810 { public static void main(String[] args) { / 阅读全文
posted @ 2020-08-10 15:35 eosclover 阅读(2525) 评论(0) 推荐(0)
摘要:ArrayList 遍历 package com.demo.clover; import java.util.ArrayList; import java.util.Iterator; public class ArrListDemo { public static void main(String 阅读全文
posted @ 2020-06-23 17:41 eosclover 阅读(252) 评论(0) 推荐(0)