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import java.io.BufferedInputStream;
import java.io.IOException;

public final class InputLibrary{

  public static char getChar()throws IOException {
    BufferedInputStream in = new BufferedInputStream(System.in);
    int input = in.read();
    if(input==-1){
    	throw new IOException("Premature end of input.");
    }
    return (char)input; //okay because InputStream guarantees read() will fit in a byte if it is not -1
  }

  public static void main(String[] args)throws IOException {
    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);
  }
}

import java.io.BufferedInputStream;
import java.io.IOException;

public final class InputLibrary{

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

  public static char getChar()throws IOException {
    int input = in.read();
    if(input==-1){
    	throw new IOException("Premature end of input.");
    }
    in.skip(1); //This line now necessary to go to the next line
                //in the previous example code deceptively worked without it
    return (char)input; //okay because InputStream guarantees read() will fit in a byte if it is not -1
  }

  public static void main(String[] args)throws IOException {
    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);
  }
}