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.
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));
}
}
Output
true
false
Syntax
public boolean contains(str2)
Parameter Values
Value | Type | Explanation |
---|---|---|
str2 | Required | Specifies the substring to search for. |
Return Value
Value | Explanation |
---|---|
true | If the specified substring occurs within the given string. |
false | If the specified substring does not occurs within the given string. |
NullPointerException | If the returned value is null. |
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