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import java.io.BufferedInputStream;
import java.io.EOFException;

public final class InputLibrary {

  public static char getChar() throws EOFException {
    BufferedInputStream in = new BufferedInputStream(System.in);
    int input = in.read();
    if (input == -1) {
    	throw new EOFException();
    }
    return (char)input; //okay because InputStream guarantees read() fits in a byterange 0..255 if it is not -1
  }

  public static void main(String[] args) {
    try {
      System.out.print("Enter first initial: ");
      char first = getChar();
      System.out.println("Your first initial is " + first);
      System.out.print("Enter last initial: ");
      char last = getChar();
      System.out.println("Your last initial is " + last);
    } catch(EOFException e) {
      System.out.println("ERROR");
    }
  }
}

import java.io.BufferedInputStream;
import java.io.EOFException;

public final class InputLibrary {

  private static BufferedInputStream in = new BufferedInputStream(System.in);

  public static char getChar() throws EOFException {
    int input = in.read();
    if (input == -1) {
    	throw new EOFException();
    }
    in.skip(1); //This statement now necessary to go to the next line
                //the Noncompliant code example deceptively worked without it
    return (char)input; //okay because InputStream guarantees read() fits in a byterange 0..255 if it is not -1
  }

  public static void main(String[] args) {
    try {
      System.out.print("Enter first initial: ");
      char first = getChar();
      System.out.println("Your first initial is " + first);
      System.out.print("Enter last initial: ");
      char last = getChar();
      System.out.println("Your last initial is " + last);
    } catch(EOFException e) {
      System.out.println("ERROR");
    }
  }
}