Check if String Contains another String : String substring « Data Type « Java

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Java » Data Type » String substring Screenshots  Check if String Contains another String      public class Main {   public static void main(String[] args) {     String haystack = "this is a test";     String needle1 = "Java";     int index1 = haystack.indexOf(needle1);     if (index1 != -1)       System.out.println("The string contains the substring " + needle1);     else       System.out.println("The string does not contain the substring " + needle1);   } } //The string does not contain the substring Java                       Related examples in the same category 1.  uses substrings to replace all the vowels in a string entered by the user with asterisks: 2.  SubString Demo 3.  Getting a substring from a String 4.  Remove a character at a specified position using String.substring 5.  Substrings First occurrence 6.  Last occurrence of a substring 7.  Find the first index of any of a set of potential substrings. 8.  Find the latest index of any of a set of potential substrings. 9.  Gets the substring after the first occurrence of a separator. The separator is not returned. 10.  Gets the substring after the last occurrence of a separator. The separator is not returned. 11.  Gets the substring before the first occurrence of a separator. The separator is not returned. 12.  Gets the substring before the last occurrence of a separator. The separator is not returned. 13.  Overlays part of a String with another String. 14.  Gets len characters from the middle of a String. 15.  Gets the String that is nested in between two Strings. Only the first match is returned. 16.  Gets the String that is nested in between two instances of the same String. 17.  Gets a substring from the specified String avoiding exceptions 18.  Count the number of instances of substring within a string 19.  Counts how many times the substring appears in the larger String. 20.  Return a slice (substring) of the passed in value, optionally trimmed.