Search String using indexOf - Java Language Basics

Java examples for Language Basics:String

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Description

Search String using indexOf

Demo Code


public class Main {
 
  public static void main(String[] args) {
    //declare a String object
    String strOrig = "Hello world Hello World";
    int intIndex = strOrig.indexOf("Hello");
   /*from   ww  w  . j  a  v  a  2s .c  om*/
    if(intIndex == - 1){
      System.out.println("Hello not found");
    }else{
      System.out.println("Found Hello at index " + intIndex);      
    }
   
    int positionIndex = strOrig.indexOf("Hello",11);
    System.out.println("Index of Hello after 11 is " + positionIndex);
   
    int lastIndex = strOrig.lastIndexOf("Hello");
    System.out.println("Last occurrence of Hello is at index " + lastIndex);
 
  }
}

Result


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