byte b[]={0x4 1，(byte) 0xc8，0，0 }；
//method 1 stream input, suitable for ME/SE environment.
//The default number is large. If the number is small, you can flip the array first.
data inputstream dis = new data inputstream(new bytearray inputstream(b))；
float f = dis . read float()；
dis . close()；
system . out . println(f)；
//Method 2 caches input, which is suitable for SE/EE environment.
byte buffer buf = byte buffer . allocated direct(4)； //Direct cache without extra memory
//buf=buf.order(ByteOrder。 LITTLE _ ENDIAN)； //Use this line for the big end and the small end by default.
buf . put(b)；
buf . rewind()；
float F2 = buf . get float()；
system . out . println(F2)；
The read floating-point number 25.0 will be displayed.