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java105-字符串indexof，spilt，substring方法

public class test44 { //分割字符串数组 public static String[] spitString(String resource,String tag){ return resource.split(tag); } } 测试public class test43 {...

java中空字符串可以用indexOf么？如果用了是不是会报错？请教大神 ?报错

java中空字符串可以用indexOf么？如果用了是不是会报错？请教大神

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java中空字符串可以用indexOf？

java中空字符串可以用indexOf么？如果用了是不是会报错？

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更新时间 2024-03-06 12:42:35

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