Java/Data Type/Binary

Convert decimal integer to binary number example

   <source lang="java">

public class Main {

 public static void main(String[] args) {
   int i = 78;
   String strBinaryNumber = Integer.toBinaryString(i);
   System.out.println(strBinaryNumber);
 }

} //1001110

 </source>
   
  
 
  

Convert Decimal to Binary

   <source lang="java">

public class Main {

 public static void main(String[] args) {
   int integer = 127;
   String binary = Integer.toBinaryString(integer);
   System.out.println("Binary value of " + integer + " is " + binary + ".");
   int original = Integer.parseInt(binary, 2);
   System.out.println("Integer value of binary "" + binary + "" is " + original + ".");
 }

}

 </source>
   
  
 
  

Convert from decimal to binary

   <source lang="java">

public class Main {

 public static void main(String[] args) throws Exception {
   int i = 42;
   String bin = Integer.toBinaryString(i);
   System.out.println(bin);
 }

} //101010

 </source>
   
  
 
  

Parsing and Formatting a Number into Binary

   <source lang="java">

public class Main {

 public static void main(String[] argv) throws Exception {
   int i = 1023;

   i = Integer.parseInt("1111111111", 2);
   String s = Integer.toString(i, 2); 
   System.out.println(s);
 }

}

 </source>