PrintStream checkError() method in Java with Examples
Last Updated :
31 Jan, 2019
The checkError() method of PrintStream Class in Java is used to check the error state of this PrintStream instance. This method flushes the stream in order to check the error state. It returns a boolean value that tells if the stream has encountered any error or not.
Syntax:
public boolean checkError()
Parameters: This method do not accepts any parameter.
Return Value: This method returns a boolean value stating whether the Stream has encountered any error or not. It returns true if any error has been encountered. Else it returns false.
Below methods illustrates the working of checkError() method:
Program 1:
import java.io.*;
class GFG {
public static void main(String[] args)
{
String str = "GeeksForGeeks" ;
try {
PrintStream stream
= new PrintStream(System.out);
stream.print(str);
System.out.println( "\nHas any error occurred: "
+ stream.checkError());
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
GeeksForGeeks
Has any error occurred: false
Program 2:
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
PrintStream stream
= new PrintStream(System.out);
stream.write( 65 );
System.out.println( "\nHas any error occurred: "
+ stream.checkError());
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
A
Has any error occurred: false
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