Java将字符串转成二进制码

public void toBinary(){
    String str = "王雪";
    char[] strChar=str.toCharArray();
    String result="";
    for(int i=0;i<strChar.length;i++){
        result +=Integer.toBinaryString(strChar[i])+ " ";
    }
    System.out.println(result);
}

//将二进制字符串转换成int数组
    public int[] BinstrToIntArray(String binStr) {       
        char[] temp=binStr.toCharArray();
        int[] result=new int[temp.length];   
        for(int i=0;i<temp.length;i++) {
            result[i]=temp[i]-48;
        }
        return result;
    }
    
    //将二进制转换成字符
     public char BinstrToChar(String binStr){
         int[] temp=BinstrToIntArray(binStr);
         int sum=0;
         for(int i=0; i<temp.length;i++){
             sum +=temp[temp.length-1-i]<<i;
         }   
         return (char)sum;
    }
    public void BinstrToStr(){
        String binStr = "111001110001011 1001011011101010 ";
        String[] tempStr=binStr.split(" ");
        char[] tempChar=new char[tempStr.length];
        for(int i=0;i<tempStr.length;i++) {
           tempChar[i]=BinstrToChar(tempStr[i]);
        }
        System.out.println(String.valueOf(tempChar));
     }