慢慢的博客

把数组[1,2,3]按照指定的格式拼接成字符串，比如说[word#word#word]的形式

从一个字符串里统计出各类字符的个数import java.util.Scanner;//区分大写字母、小写字母、数字、其他public class Demo16Example { public static void main(String[] args) { System.out.println("请输入一个字符串"); Scanner sc=new Scanner(System.in); String s = sc.next(); .

public class Demo14StringSplit { public static void main(String[] args) { String str1="aaa,bbb,ccc,ddd,eee,fff"; String[] split = str1.split(","); for(int i=0;i<split.length;i++){ System.out...

字符串与转换相关的操作 public class Demo13StringConvert { public static void main(String[] args) { //转换成字符数组 char[] chars="hello".toCharArray(); for(int i=0;i<chars.length;i++){ System.out.println(chars[...

public class Demo12StringSub { public static void main(String[] args) { String str1="HelloWorld"; String str2=str1.substring(5); System.out.println("str2==="+str2); String str3=str1.substring(1,5); ...

public class Demo11StringGet { public static void main(String[] args) { //获取字符串的长度 int length = "kfhshsfsihfsdufdjbssdshsss".length(); System.out.println("length===="+length); System.out.println("=====================...

public class Demo10StringEqual { public static void main(String[] args) { String str1="abc"; String str2="abc"; char[]charArray={'a','b','c'}; String str3=new String(charArray); System.out.println(str1.equals(...

public class Demo09String { public static void main(String[] args) { String str1="abc"; String str2="abc"; char[]charArray={'a','b','c'}; String str3=new String(charArray); System.out.println(str1==str2); ...

package cn.itcast.day04.demo02;public class Demo08String { public static void main(String[] args) { //使用空参构造 String str1=new String(); System.out.println("字符串1为："+str1); //根据字符数组创建字符串 char[]...