```
```

## Simple One line code to convert String containing a binary value to Hex

```
```
```String bin = Integer.toHexString(Integer.parseInt(binOutput, 2));
```
```
```
```
```

## Full Code for conversion

```
```
```import java.io.*;
import java.lang.*;
```

```public class  BinaryToHexadecimal{
public static void main(String[] args)throws IOException{
System.out.println("Enter the Binary number:");
long num = Long.parseLong(hex);
long rem;
while(num > 0){
rem = num % 10;
num = num / 10;
if(rem != 0 && rem != 1){
System.out.println("This is not a binary number.");
System.exit(0);
}
}
int i= Integer.parseInt(hex,2);
String hexString = Integer.toHexString(i);
System.out.println("Hexa decimal: " + hexString);
}
}```
```
```
```run:
Enter the Binary number:
101010
Hexa decimal: 2a```
```
```
`----------------------------------------------`
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