StringReader markSupported() method in Java with Examples
Last Updated :
13 Feb, 2019
The markSupported() method of StringReader Class in Java is used to check whether this StringReader is supports mark() operation or not. It returns a boolean which states if the reader is mark supported.
Syntax:
public boolean markSupported()
Parameters: This method does not accepts any parameters
Return Value: This method returns a boolean value which tells if this StringReader supports mark() operation or not. It return true if it is markSupported. Else it returns false.
Below methods illustrates the working of markSupported() method:
Program 1:
import java.io.*;
import java.util.*;
class GFG {
public static void main(String[] args)
{
try {
String str = "GeeksForGeeks" ;
StringReader reader
= new StringReader(str);
System.out.println( "Is StringReader markSupported: "
+ reader.markSupported());
reader.close();
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
Is StringReader markSupported: true
Program 2:
import java.io.*;
import java.util.*;
class GFG {
public static void main(String[] args)
{
try {
String str = "GeeksForGeeks" ;
StringReader reader
= new StringReader(str);
System.out.println( "Is StringReader markSupported: "
+ reader.markSupported());
reader.close();
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
Is StringReader markSupported: true
Reference: https://docs.oracle.com/javase/9/docs/api/java/io/StringReader.html#markSupported–
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