[Java] 纯文本查看 复制代码

import java.util.Scanner;

/*
* 1.键盘录入一个大字符串,再录入一个小字符串
	2.统计小字符串在大字符串中出现的次数
	3.代码运行打印格式:
		请输入大字符串:woaiheima,heimabutongyubaima,wulunheimahaishibaima
		,zhaodaogongzuojiushihaoma
		请输入小字符串:heima
		控制台输出:共出现3次
*
* */
public class Topic02 {
    public static void main(String[] args) {
        String bigString;
        String smallString;
        int count=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入大字符串");
        bigString=scanner.next();
        System.out.println("请输入小字符串");
        smallString=scanner.next();
        //通过截取字符串
        int index;
        while(true){
            index=bigString.indexOf(smallString);
            count++;
            bigString=bigString.substring(index+smallString.length());

            if (!bigString.contains(smallString)||bigString.length()<smallString.length()){
                break;
            }

        }
        System.out.println("共出现"+count+"次");
    }
}

[Java] 纯文本查看 复制代码

import java.util.Scanner;

/*
* 1.键盘录入一个大字符串,再录入一个小字符串
	2.统计小字符串在大字符串中出现的次数
	3.代码运行打印格式:
		请输入大字符串:woaiheima,heimabutongyubaima,wulunheimahaishibaima
		,zhaodaogongzuojiushihaoma
		请输入小字符串:heima
		控制台输出:共出现3次
*
* */
public class Topic02 {
    public static void main(String[] args) {
        String bigString;
        String smallString;
        int count=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入大字符串");
        bigString=scanner.next();
        System.out.println("请输入小字符串");
        smallString=scanner.next();
        //通过截取字符串
        int index;
        while(true){
            index=bigString.indexOf(smallString);
            count++;
            bigString=bigString.substring(index+smallString.length());

            if (!bigString.contains(smallString)||bigString.length()<smallString.length()){
                break;
            }

        }
        System.out.println("共出现"+count+"次");
    }
}