Convert decimal number to binary in java without using array
public class DecimalToBinaryWithoutArray
{
static void toBinary(int num)
{
StringBuilder sb = new StringBuilder();
int a = 0;
while(num > 0)
{
sb.append(num % 2);
a++;
num = num / 2;
}
System.out.println(sb.reverse());
}
public static void main(String[] args)
{
int number = 20;
toBinary(number);
}
}Java program to convert integer value into binary
import java.util.*;
import java.util.Scanner;
public class IntegerToBinary
{
public static void main(String[] args)
{
int num;
String str = "";
Scanner sc = new Scanner(System.in);
System.out.println("Please enter the a number : ");
num = sc.nextInt();
// convert int to binary java
while(num > 0)
{
int y = num % 2;
str = y + str;
num = num / 2;
}
System.out.println("The binary conversion is : " + str);
sc.close();
}
}convert decimal to binary in java
public class DecimalToBinaryExample2{
public static void toBinary(int decimal){
int binary[] = new int[40];
int index = 0;
while(decimal > 0){
binary[index++] = decimal%2;
decimal = decimal/2;
}
for(int i = index-1;i >= 0;i--){
System.out.print(binary[i]);
}
System.out.println();//new line
}
public static void main(String args[]){
System.out.println("Decimal of 10 is: ");
toBinary(10);
System.out.println("Decimal of 21 is: ");
toBinary(21);
System.out.println("Decimal of 31 is: ");
toBinary(31);
}}Copyright © 2021 Codeinu
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