{"id":270,"date":"2023-02-23T17:47:00","date_gmt":"2023-02-23T17:47:00","guid":{"rendered":"https:\/\/jtstreib.com\/main\/?page_id=270"},"modified":"2023-02-24T00:59:38","modified_gmt":"2023-02-24T00:59:38","slug":"270-2","status":"publish","type":"page","link":"https:\/\/jtstreib.com\/main\/index.php\/270-2\/","title":{"rendered":"Section 11.8"},"content":{"rendered":"\n
\n
<\/div><\/div>\n<\/div><\/div>\n\n\n\n
\/\/ Guide to Java, Second Edition\n\/\/ Copyright 2023 by J.T. Streib and T. Soma\n\nimport java.util.*;<\/pre>\n\n\n\n
class Bitp1 {
   static Scanner scanner;
   public static void main (String [] args){

      int x,y=0,answer=0;
      char op;

      \/\/ input binary x
      x = input8();
      \/\/ output to verify input 
      output8(x); 

      \/\/ input operation code
      scanner = new Scanner(System.in);
      System.out.println();
      System.out.print(\"Enter an operation ( |, ^ , & , ~ ,\"
      + \" L , R ): \");
      op = scanner.next().charAt(0);

      \/\/ check binary operators
      if (op=='|' || op == '^' || op == '&') {
         \/\/ input binary y
         y = input8(); 
         \/\/ouptut to verify input
         output8(y);
      }

      \/\/ check and perform operation
      switch (op) {
         case '|': answer = x | y;
                   break;
         case '^': answer = x ^ y;
                   break;
         case '&': answer = x & y;
                   break;
         case 'L':
         case 'l': answer = x << 1;
                   break;
         case 'R':
         case 'r': answer = x >>> 1; 
                   break;
         case '~': answer = ~x;
                   break;
         default:
                   System.out.println(\"Invalid entry\");
      }
      \/\/ Clear upper bits
      answer = answer & 0b11111111;
      \/\/ output results 
      System.out.println();
      output8(answer); 
      System.out.println();
   } 

   \/\/ input 8 binary bits
   public static int input8 () {
      int bNum;
      scanner = new Scanner(System.in);
      System.out.println();
      System.out.print(\"Enter a binary number: \");
      \/\/ input base 2
      bNum = scanner.nextInt(2);
      \/\/ clear upper bits
      bNum = bNum & 0b11111111;
      return bNum;
   }

   \/\/ output 8 binary characters
   public static void output8 (int bNum) {
      String bString,zString;
      \/\/ convert to string
      bString = Integer.toBinaryString(bNum);
      \/\/ insert leading zeros and output
      zString = String.format(\"%8s\", bString).replace(' ','0');
      System.out.println(\" The binary number is: \" + zString);
   }
}<\/pre>\n","protected":false},"excerpt":{"rendered":"
\/\/ Guide to Java, Second Edition \/\/ Copyright 2023 by J.T. Streib and T. Soma import java.util.*; class Bitp1 { static Scanner scanner; public static void main (String [] args){ int x,y=0,answer=0; char op; \/\/ input binary x x = input8(); \/\/ output to verify input output8(x); \/\/ input operation code scanner = new Scanner(System.in);… Continue reading Section 11.8<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/pages\/270"}],"collection":[{"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/comments?post=270"}],"version-history":[{"count":8,"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/pages\/270\/revisions"}],"predecessor-version":[{"id":284,"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/pages\/270\/revisions\/284"}],"wp:attachment":[{"href":"https:\/\/jtstreib.com\/main\/index.php\/wp-json\/wp\/v2\/media?parent=270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}