stringsearchdemo.java

来自「本java源程序包括了大量的学习程序（共27章）方便大家学习」· Java 代码 · 共 20 行

public class StringSearchDemo 
{
	public static void main(String[] args) 
	{
		String str1 = "Hello world.This is a Java code.we will program Java code.";
		String searchStr = "Java code";
		//以上声明创建了字符串对象
		int i = str1.indexOf(searchStr);
		//在字符串str1中，查找并返回字符串对象searchStr的位置
		int j = str1.indexOf(searchStr,str1.indexOf("we"));
        //在字符串str1中，从字符串"we"开始，查找并返回字符串对象searchStr的位置
		int m = str1.lastIndexOf(searchStr);
        //在字符串str1中，查找并返回字符串对象searchStr最后一次出现的位置
		System.out.println("str1 is:"+str1);
		System.out.println("searchStr is:"+searchStr);
		System.out.println("i = str1.indexOf(searchStr):"+i);
		System.out.println("j = str1.indexOf(searchStr,str1.indexOf(\"we\")):"+j);
		System.out.println("m = str1.lastIndexOf(searchStr):"+m);
	}
}