Java String contains() Method

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Java String contains()

The contains() method checks whether the substring occurs within a given string or not.


Java Compiler
public class myClass { public static void main(String[] args) { String str1 = "country"; String str2 = "try"; String str3 = "con"; System.out.println(str1.contains(str2)); System.out.println(str1.contains(str3)); } }


true false


public boolean contains(str2)

Parameter Values

str2RequiredSpecifies the substring to search for.

Return Value

trueIf the specified substring occurs within the given string.
falseIf the specified substring does not occurs within the given string.
NullPointerExceptionIf the returned value is null.


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