Java String contains() Method

Java String contains()

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

Example

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)); } }

Syntax

public boolean contains(str2)

Parameter Values

ValueTypeExplanation
str2RequiredSpecifies the substring to search for.

Return Value

ValueExplanation
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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