Check string index of and handle null value - Java java.lang

Java examples for java.lang:String Index

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Description

Check string index of and handle null value

Demo Code

//package com.java2s;

public class Main {
    public static void main(String[] argv) {
        String str = "java2s.com";
        String searchStr = "2";
        System.out.println(indexOf(str, searchStr));
    }/*from   w  ww.  j  a v a 2  s  .  c  o  m*/

    public static int indexOf(String str, String searchStr) {
        if (str == null || searchStr == null) {
            return -1;
        }
        return str.indexOf(searchStr);
    }
}

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